I have the 11.5#MS on mine and I get 6.6 double and 3.0 single. I originally did not have the extended FP and had zero issues with federal primers but did have a few light strikes with other ammo. So naturally I got the extended FP and all has been good. Thanks for the informative videos!
with the comp hammer or OEM hammer? The 11.5 will not work with the comp hammer, but I have a handful of buddies who have no issues with this set up with the OEM hammer.
I do not - my buddy on youtube "Work" or ruclips.net/user/workthetrigger has videos on a complete trigger job on the firing pin block models - it will be mostly the same as the shadow models - difference being the firing pin spring - which is far, far easier to get at on the Shadows. To get at it take your slide off, and with a punch, push in on your firing pin till it's below the stop plate, then pull down toward the bottom of the slide with the punch, being careful not to let the firing pin fly out. Once the stop plate is off, careful tilt up the slide and remove the firing pin and shake it until the firing pin spring comes out.
Interesting on the custom shop hammer. How's the reset on the shadows? One thing I don't like about my P07 is the take up after reset before reaching the wall.
The non FPB CZS have a really great reset, it’s much shorter. If you can shoot to reset there is no takeup after reset. The trigger will continue to swing forward after reset if you let it. If you cannot abide that then I would recommend fitting a disconnector in that case. The swing forward would stop at reset basically in that case
As a subscriber to your channel I have learned a great deal about both shooting and the CZ family. I shot a 92FS for many years with a 14lb hammer spring with no other spring changes or firing pin. The 92FS springs come in 12,14 and 16 with factory 20lb. I purchased 75B Omega and bought 13 and 15 lb hammer springs for it. The 13lb with no other changes fires every brand of ammo I have tried. Steel cased and all European brands. My favorite is Speer Lawman and Blazer brass. I am assuming this is due to the Omega trigger design just as my 92FS is another design. The Omega hammer alone is far larger than the classic and I don't reload. Buy ammo by the case online. Definitely at 1000 round mark since purchase. Just my observation based on '" sample of 1 of 1". Final thought the difference between the 13 and 15 double action pull is not that significant and single action is basically the same. Wearing the parts in and some minor pollish a plus. The 20lb factory spring is definitely too much! Please keep up these excellent reviews as considering in future SP 01 or Shadow.
Cheers! I agree the Stock spring on omegas is a little over the top. For a 13# spring I probably don’t need the pin but I reload and sometimes primers aren’t seated deeply enough so the pin is a 20$ insurance policy in that regard.
I agree completely on the firing pin change!! If I reloaded and shot at your competitive level - 20$ firing pin is a no brainer! My limited CZ experience is based on Omega trigger not classic in the Shadow. If in the future I get any light strikes the firing pin will be put in. Thank you again for taking the time to make these videos.
Wouldn't the main spring alone do the job? Or is the firing pin spring involved somehow b4 it's struck by the hammer? You can also change the pin block spring or cut it a bit to reduce the pull
Shadows don't have firing pin blocks. The reduced firing pin spring reduces the resistance of a lower powered hit on the firing pin so the firing pin delivers sufficient force to the primer.
What primers are you using? I finally picked up a S2 yesterday. I only ever used CCI because that’s all I ever seem to be able to find. Thinking of just sticking with the 13lb hammer spring and not trying to push it
jon mcleod I use Winchester. If your press is well adjusted (the primer punch eventually walks out on a 650) you should be able to use anything with a 13 and maybe an 11
I seriously wouldn’t. I would just buy the springs I am telling you about from CZC and be basically done for 35$. You can always add a hammer later if you must. I didn’t have to fit my safety or sear with the hammer so the sear he sells may not be necessary on a shadow 2
Would you suggest the comp Hammer from CZ Custom over the Cajun Gun Works hammer the only thing that I've seen that the difference between the two is the depth of the cut on the hammer just wondering if you have experience with both and which one you would suggest over the other
I generally don't recommend the cajun parts. I buy my performance parts from CZ Custom and use Comp hammers. I personally have felt both - never owned the cajun hammer - and the difference wasn't very severe. I would only put a comp hammer on an original Shadow or FPB model. The shadow 2 hammer is squared away enough - the comp hammer won't lighten the SA but will firm up the wall.
Is there a lot of pins to remove to swap out the springs like you did in a shadow 2, an will it bring down the trigger from factory 3lb into the 2lb range, thanks great video
Remove the grips, if you have a nail on your bench just proud of the surface use that to press in on the end cap on the heel of the grip, then you can punch out the pins holding the mag brake in place, remove the mag brake - slowly ease off pressure on the gun compressing the end cap and the end cap will come out the bottom of the grip followed by the main spring. Removing the firing pin stop is easy- get a punch and depress the firing pin then pull down on the stop with the punch and the stop will come off followed by the firing pin with the firing pin spring. The Joe Tool from CGW makes installing hammer springs much easier and is worth it if you are going to stay on the platform for a long time
Have you ever tried sanding down the original hammer? I guess the comp. hammer just has a smaller engagement surface, right? That defintely looks like what I need to get as the creep on mine drives me crazy..
I know people who have cut down the hooks on the hammer - I'm personally not going to do that on mine because I'm told that the hammers are surface hardened and I wouldn't' want to defeat that then have the hooks round off on me. I ended up pulling the comp hammer and going back to the S2 hammers. My set up now is basically just an extended pin and lightened springs. I prefer a rolling trigger break to a hard wall and the OEM hammer provides that pretty good - even though it's through creep.
As far as ignition is concerned - I've been popping S&B primers with this spring weight no problem, they're generally regarded as harder than CCI. I prefer Winchester but they didn't have any when I was buying. As far as disclaimers are concerned - use a chrono - blah blah blah. SNS 125 TC 1.105"OAL 3.7 gr Titegroup or 3.8 gr Alliant Sport Pistol aught to do it.
David do you have a link or know of a good youtube tutorial for doing this spring swap? I'm going to swap the springs in my grey S2 and shoot it in a few matches before doing both, just in case I have issues with primer strikes. I shoot factory ammo. Thanks!
I’m looking into getting the cz Custom shop’s “Shadow 2 Custom Black”. It’s got all there bells and whistles for $1,600. In your opinion is it worth the $?
Short answer: No. Myself and two close shooting buddies all traded in our old CZC guns for basically stock Shadow 2's with upgrade grips and spring kits. If you can't abide sear creep - get a comp hammer - but it's really not that bad. But buy your S2 parts from CZC when you go to upgrade it!
B is tough to climb out of because the range of scores that count is so vast (55 to 80). In A class you can start hero or zero which is good from a classification perspective but bad for your match placement. I have one last shot at my M card tomorrow night for the year... CM06-03 Can You Count. It's very achievable if I don't psyche myself out.
Got this from Steve Anderson's latest podcast. "Champions who have paid the price to master a proven way to excel do not need to worry about the possibility that they might not perform well. All they need to do is to duplicate what they have mastered. Just trust it! Trust that all of those hours of training will be there when you need them. Remember, if it took you a long time to acquire a skill it will take you a long time to forget how to do it. Trust your training. Now, if you have spent little time in training you may have little to trust. Remember, once you have mastered a skill, you can over-try but you cannot over-trust!" Lanny Bassham. May help with the psyche out thing. Good luck.
Wise words. What I need to shoot is comfortably within my abilities (tested at the range during lunch). I really want to take a class with Steve. If A class is important you'll make it happen. i watched your match vids - you look pretty solid - just need the right mix of classifiers.
Stuart Wong with CZC personally helped me when I had a match coming up - I was about a week out from a match and I needed a couple parts which they didn't have in stock (parts only CGW and CZC sell - CGW had none and couldn't get any) - he looked at the shipping ticket for the nextorder and pulled the parts I needed from a build they were getting ready to start so I could shoot a major match. He's helped me via email and phone a couple times when I had various minor issues with my old AccuShadows. If I can buy the parts I want need for my CZ's I buy them from CZC whenever possible. CZC deals in genuine CZ parts that I have never heard of not working in CZUB guns. I'm aware of several folks I know personally who had issues with CGW parts that they wrote off to "the tolerance stacking in the guns" - all were "pro packages" tried to install by the end user. I've put CGW parts personally into 2 guns and not had any issues. I used their (CGW) starter punch to install this comp hammer. CGW parts are illegal by IPSC's rules in Production division. (It's not on the radar for now but ...) in years future if I try to shoot the IPSC Nationals I want my guns to be legal for it - the CGW hammer will never be legal in IPSC. Technically the CGW springs are not legal for IPSC. USPSA is the US region of IPSC and it's unlikely but they could potentially re-write rules to make Production more restrictive and in line with IPSC Production rules - in which ALL CGW parts will be made illegal. That's an extremely remote likelihood - but it could happen if USPSA gets in trouble. Again that's a very remote possibility. I'd buy the CGW 11.5# spring - and actually have and am waiting on it to show up. I don't like the CGW reduced power TRS - it makes reset anemic and shooting fast I am more prone to short stroking the CGW TRS than the Shadow 2 TRS or even the old "New" CZ TRS. I've broken a couple of them in about the same interval as the OEM ones - so in my experience they don't last any longer. I do like the CGW floating trigger pins - will probably get a few more of those. I'd buy their bushings once my shadow bushings wear out. My single biggest issue is CGW made a proprietary hammer, then called it a "race hammer" and it wasn't legal in pretty much any pistol games that people were buying it for. The only divisions you could use it in would be Limited, Open, and MAYBE ESP. But folks weren't buying them for that - they were buying them for their 75's and SP01s to shoot production with. I witnessed more than a few general interest guys get the competition bug - then have to rebuy a proper competition hammer after they bought the CGW Race hammer because internet and at the time the race hammer wasn't legal. A cry baby at 2016 USPSA GA Section appealed to USPSA DNROI to get a rule change to make it legal when he rightly got the boot from Production Division to Open division. DNROI took so much heat that the "Shoe in" rules change that was going to legalize the Sig P320 gray guns trigger ended up stalling. CZC on the other hand worked with CZ-USA to get their parts and guns legal the hard way. The CGW parts I've played with aren't appreciably better than the CZUB parts despite what the website says - any difference observable likely is purely academic and not exploitable in competition. I'd rather buy the service and peace of mind CZC offers.
As long as the bullet weight x stated velicty is less than 140k then you're probably just fine. My "gamer" loads are 124 @ 1050 FPS +/- which isn't a far cry from commercial 124 loadings
Good to hear. Definitely going to look into this after a few thousand rounds, just picked up my S2 a few weeks ago. So what happens if bullet weight x velocity is less than 140k? Also what's the purpose of the extended firing pin?
less than 140k is no big deal - as long as it's higher than 125k. 125k is minor powerfactor. 140k is +P or nato velocity. You want to be around 130ish for action pistol games, anything more than that is excessive. "Standard pressure" loadings should be around 133-138. Extended pin transfers more energy to the primer to offset the reduced impact from the lightened hammer spring. If you do a comp hammer you need to use a 13# with the extended pin. With the OEM hammer you can do I believe an 11.5# with the extended hammer. I didn't polish anything and dropped in an 11.5# on a comp hammer and as a result I wasn't getting reliable ignition (2 in 50 test rounds had to be restruck with hard primers)
Have you tried running it without the extended firing pin? I read online (can't remember if it was the CZ forum or Enos) that you didn't need it in the shadow 2, just springs. I think it'd be interesting to see if a shadow 2 hammer would fit in a tristar. . .
k12 sport has a better stock trigger than that cz custom. and its parts dont break. and it supposedly settles faster from recoil than cz. and it has an honest price. not rip off price like cz. also its stainless steel so no finish to wear off and look ugly.
I am told the comp hammer is legal- you might check into it. I am not 100% on the firing pin or comp hammer- CZC says they are and they are run buy a former high level IPSC shooter.
Thank you so VERY GRACIOUSLY! You are my huckleberry lol! Question: New subscriber (1): did you post a video of how to this? (2) Thus could be a great home defense gun.... what do you carry? AWESOME STUFF! God bless America and God Bless the Second Amendment! 🇺🇸🇺🇸🇺🇸🇺🇸
workthetrigger's channel has a lot of good videos on the CZ work. I'd point you over there. I actually don't favor competition guns for home defense guns. At most pistol distances there isn't a huge difference in performance from a service gun - the weight becomes a big ally on the competition arena - but that advantage isn't as obvious when you're not pushing the limit of movement speed while trying to make hits.
I have the 11.5#MS on mine and I get 6.6 double and 3.0 single. I originally did not have the extended FP and had zero issues with federal primers but did have a few light strikes with other ammo. So naturally I got the extended FP and all has been good. Thanks for the informative videos!
with the comp hammer or OEM hammer? The 11.5 will not work with the comp hammer, but I have a handful of buddies who have no issues with this set up with the OEM hammer.
Nice upgrades, Thanks and Have a Merry Christmas and a great New Year
Same to you. Cheers!
Nice upgrades, do you have a video how to change the springs
I do not - my buddy on youtube "Work" or ruclips.net/user/workthetrigger has videos on a complete trigger job on the firing pin block models - it will be mostly the same as the shadow models - difference being the firing pin spring - which is far, far easier to get at on the Shadows. To get at it take your slide off, and with a punch, push in on your firing pin till it's below the stop plate, then pull down toward the bottom of the slide with the punch, being careful not to let the firing pin fly out. Once the stop plate is off, careful tilt up the slide and remove the firing pin and shake it until the firing pin spring comes out.
Interesting on the custom shop hammer. How's the reset on the shadows? One thing I don't like about my P07 is the take up after reset before reaching the wall.
The non FPB CZS have a really great reset, it’s much shorter. If you can shoot to reset there is no takeup after reset. The trigger will continue to swing forward after reset if you let it. If you cannot abide that then I would recommend fitting a disconnector in that case. The swing forward would stop at reset basically in that case
Thanks man!
As a subscriber to your channel I have learned a great deal about both shooting and the CZ family. I shot a 92FS for many years with a 14lb hammer spring with no other spring changes or firing pin. The 92FS springs come in 12,14 and 16 with factory 20lb. I purchased 75B Omega and bought 13 and 15 lb hammer springs for it. The 13lb with no other changes fires every brand of ammo I have tried. Steel cased and all European brands. My favorite is Speer Lawman and Blazer brass. I am assuming this is due to the Omega trigger design just as my 92FS is another design. The Omega hammer alone is far larger than the classic and I don't reload. Buy ammo by the case online. Definitely at 1000 round mark since purchase. Just my observation based on '" sample of 1 of 1". Final thought the difference between the 13 and 15 double action pull is not that significant and single action is basically the same. Wearing the parts in and some minor pollish a plus. The 20lb factory spring is definitely too much! Please keep up these excellent reviews as considering in future SP 01 or Shadow.
Cheers! I agree the Stock spring on omegas is a little over the top. For a 13# spring I probably don’t need the pin but I reload and sometimes primers aren’t seated deeply enough so the pin is a 20$ insurance policy in that regard.
I agree completely on the firing pin change!! If I reloaded and shot at your competitive level - 20$ firing pin is a no brainer! My limited CZ experience is based on Omega trigger not classic in the Shadow. If in the future I get any light strikes the firing pin will be put in. Thank you again for taking the time to make these videos.
Wouldn't the main spring alone do the job? Or is the firing pin spring involved somehow b4 it's struck by the hammer?
You can also change the pin block spring or cut it a bit to reduce the pull
Shadows don't have firing pin blocks. The reduced firing pin spring reduces the resistance of a lower powered hit on the firing pin so the firing pin delivers sufficient force to the primer.
What would help with the slide release? Its very hard to engage. I have no issues with my other pistols.
What primers are you using? I finally picked up a S2 yesterday. I only ever used CCI because that’s all I ever seem to be able to find. Thinking of just sticking with the 13lb hammer spring and not trying to push it
jon mcleod I use Winchester. If your press is well adjusted (the primer punch eventually walks out on a 650) you should be able to use anything with a 13 and maybe an 11
Cool. I want one. I think I'm going to order a pro-kit from CGW and have it installed locally.
I seriously wouldn’t. I would just buy the springs I am telling you about from CZC and be basically done for 35$. You can always add a hammer later if you must. I didn’t have to fit my safety or sear with the hammer so the sear he sells may not be necessary on a shadow 2
But how are people going to know how cool I am if I can't say "fully cajunized internals"??
Would you suggest the comp Hammer from CZ Custom over the Cajun Gun Works hammer the only thing that I've seen that the difference between the two is the depth of the cut on the hammer just wondering if you have experience with both and which one you would suggest over the other
I generally don't recommend the cajun parts. I buy my performance parts from CZ Custom and use Comp hammers. I personally have felt both - never owned the cajun hammer - and the difference wasn't very severe. I would only put a comp hammer on an original Shadow or FPB model. The shadow 2 hammer is squared away enough - the comp hammer won't lighten the SA but will firm up the wall.
Nice set up as seems like a dream to shoot....Good stuff....
It’s a great pistol to be certain. Cheers!
Very nice work on those.
they turned out pretty well. once I get my 11.5# spring for my match gun I'll be ready to rock.
Is there a lot of pins to remove to swap out the springs like you did in a shadow 2, an will it bring down the trigger from factory 3lb into the 2lb range, thanks great video
Remove the grips, if you have a nail on your bench just proud of the surface use that to press in on the end cap on the heel of the grip, then you can punch out the pins holding the mag brake in place, remove the mag brake - slowly ease off pressure on the gun compressing the end cap and the end cap will come out the bottom of the grip followed by the main spring. Removing the firing pin stop is easy- get a punch and depress the firing pin then pull down on the stop with the punch and the stop will come off followed by the firing pin with the firing pin spring. The Joe Tool from CGW makes installing hammer springs much easier and is worth it if you are going to stay on the platform for a long time
For competition shooting. Would you recommend keeping the shadow 2 in stock or making the changes like you did for the first gun?
I would suggest springs and a firing pin kit for competition, or really any application
TheHumbleMarksman thanks!
Hi sir its ok if you stay stock hammer?
Hey HM, thanks for the great content. Curious why two guns and not just one? Thank you!
High round count guns have parts break- one gun for practice and dryfire, the other for matches only
Have you ever tried sanding down the original hammer? I guess the comp. hammer just has a smaller engagement surface, right?
That defintely looks like what I need to get as the creep on mine drives me crazy..
I know people who have cut down the hooks on the hammer - I'm personally not going to do that on mine because I'm told that the hammers are surface hardened and I wouldn't' want to defeat that then have the hooks round off on me. I ended up pulling the comp hammer and going back to the S2 hammers. My set up now is basically just an extended pin and lightened springs. I prefer a rolling trigger break to a hard wall and the OEM hammer provides that pretty good - even though it's through creep.
Thanks for the video. Great info to have. Can you give some info regarding a good staring load for this combo of springs and hammer?
As far as ignition is concerned - I've been popping S&B primers with this spring weight no problem, they're generally regarded as harder than CCI. I prefer Winchester but they didn't have any when I was buying.
As far as disclaimers are concerned - use a chrono - blah blah blah.
SNS 125 TC 1.105"OAL 3.7 gr Titegroup or 3.8 gr Alliant Sport Pistol aught to do it.
David do you have a link or know of a good youtube tutorial for doing this spring swap? I'm going to swap the springs in my grey S2 and shoot it in a few matches before doing both, just in case I have issues with primer strikes. I shoot factory ammo. Thanks!
Google “CZ tuning 101 with professor atlas”. It’s a photo guide and better executed than any video I have seen. 11.5# should work no problem
Nice Info, thanks Brother! Carry On
Yeah I would definitely recommend it for yours. It’s easy work
Sweet! Thanks for the tips! 👍 thoose are so nice, really want one.
cheers. They're as nice a pistol as you could ask for
What grips are those?
I’m looking into getting the cz Custom shop’s “Shadow 2 Custom Black”. It’s got all there bells and whistles for $1,600. In your opinion is it worth the $?
Short answer: No.
Myself and two close shooting buddies all traded in our old CZC guns for basically stock Shadow 2's with upgrade grips and spring kits. If you can't abide sear creep - get a comp hammer - but it's really not that bad. But buy your S2 parts from CZC when you go to upgrade it!
HM, would you change any advice in this video in 2022?
Watch my shadow 2 vs P320 max pt 2 video
Shadow 2 ✓
LOK grips✓
11lb recoil spring✓
Extended firing pin kit✓
11.5 lb hammer spring ✓
Still in B class ✓
B is tough to climb out of because the range of scores that count is so vast (55 to 80). In A class you can start hero or zero which is good from a classification perspective but bad for your match placement. I have one last shot at my M card tomorrow night for the year... CM06-03 Can You Count. It's very achievable if I don't psyche myself out.
Got this from Steve Anderson's latest podcast. "Champions who have paid the price to master a proven way to excel do not need to worry about the possibility that they might not perform well. All they need to do is to duplicate what they have mastered. Just trust it! Trust that all of those hours of training will be there when you need them. Remember, if it took you a long time to acquire a skill it will take you a long time to forget how to do it. Trust your training. Now, if you have spent little time in training you may have little to trust. Remember, once you have mastered a skill, you can over-try but you cannot over-trust!" Lanny Bassham. May help with the psyche out thing. Good luck.
Wise words. What I need to shoot is comfortably within my abilities (tested at the range during lunch). I really want to take a class with Steve. If A class is important you'll make it happen. i watched your match vids - you look pretty solid - just need the right mix of classifiers.
Why did you choose CZ Custom over CGW? Just asking.....
Stuart Wong with CZC personally helped me when I had a match coming up - I was about a week out from a match and I needed a couple parts which they didn't have in stock (parts only CGW and CZC sell - CGW had none
and couldn't get any) - he looked at the shipping ticket for the nextorder and pulled the parts I needed from a build they were getting ready to start so I could shoot a major match. He's helped me via email and phone a couple times when I had various minor issues with my old AccuShadows. If I can buy the parts I want need for my CZ's I buy them from CZC whenever possible.
CZC deals in genuine CZ parts that I have never heard of not working in CZUB guns. I'm aware of several folks I know personally who had issues with CGW parts that they wrote off to "the tolerance stacking in the guns" - all were "pro packages" tried to install by the end user. I've put CGW parts personally into 2 guns and not had any issues. I used their (CGW) starter punch to install this comp hammer.
CGW parts are illegal by IPSC's rules in Production division. (It's not on the radar for now but ...) in years future if I try to shoot the IPSC Nationals I want my guns to be legal for it - the CGW hammer will never be legal in IPSC. Technically the CGW springs are not legal for IPSC. USPSA is the US region of IPSC and it's unlikely but they could potentially re-write rules to make Production more restrictive and in line with IPSC Production rules - in which ALL CGW parts will be made illegal. That's an extremely remote likelihood - but it could happen if USPSA gets in trouble. Again that's a very remote possibility.
I'd buy the CGW 11.5# spring - and actually have and am waiting on it to show up. I don't like the CGW reduced power TRS - it makes reset anemic and shooting fast I am more prone to short stroking the CGW TRS than the Shadow 2 TRS or even the old "New" CZ TRS. I've broken a couple of them in about the same interval as the OEM ones - so in my experience they don't last any longer. I do like the CGW floating trigger pins - will probably get a few more of those. I'd buy their bushings once my shadow bushings wear out.
My single biggest issue is CGW made a proprietary hammer, then called it a "race hammer" and it wasn't legal in pretty much any pistol games that people were buying it for. The only divisions you could use it in would be Limited, Open, and MAYBE ESP. But folks weren't buying them for that - they were buying them for their 75's and SP01s to shoot production with. I witnessed more than a few general interest guys get the competition bug - then have to rebuy a proper competition hammer after they bought the CGW Race hammer because internet and at the time the race hammer wasn't legal. A cry baby at 2016 USPSA GA Section appealed to USPSA DNROI to get a rule change to make it legal when he rightly got the boot from Production Division to Open division. DNROI took so much heat that the "Shoe in" rules change that was going to legalize the Sig P320 gray guns trigger ended up stalling. CZC on the other hand worked with CZ-USA to get their parts and guns legal the hard way.
The CGW parts I've played with aren't appreciably better than the CZUB parts despite what the website says - any difference observable likely is purely academic and not exploitable in competition. I'd rather buy the service and peace of mind CZC offers.
Very nice have fun my friend!
Cheers, merry Christmas to you and the clan.
I always black out my rear sight dots, where did you get that rear sight?
That’s the factory shadow 2 rear
awesome tips ! im really new in this and got a shadow 2 (still stock) with the extended firing pin, what exactly does it do?
It doesn’t have to travel as far before the hammer starts imparting force onto the primer - effectively making it hit harder.
Will that spring set up handle factory loaded 115gr or 124gr?
As long as the bullet weight x stated velicty is less than 140k then you're probably just fine. My "gamer" loads are 124 @ 1050 FPS +/- which isn't a far cry from commercial 124 loadings
Good to hear. Definitely going to look into this after a few thousand rounds, just picked up my S2 a few weeks ago. So what happens if bullet weight x velocity is less than 140k? Also what's the purpose of the extended firing pin?
less than 140k is no big deal - as long as it's higher than 125k. 125k is minor powerfactor. 140k is +P or nato velocity. You want to be around 130ish for action pistol games, anything more than that is excessive. "Standard pressure" loadings should be around 133-138. Extended pin transfers more energy to the primer to offset the reduced impact from the lightened hammer spring. If you do a comp hammer you need to use a 13# with the extended pin. With the OEM hammer you can do I believe an 11.5# with the extended hammer. I didn't polish anything and dropped in an 11.5# on a comp hammer and as a result I wasn't getting reliable ignition (2 in 50 test rounds had to be restruck with hard primers)
Thanks for the info!😉
Have you tried running it without the extended firing pin? I read online (can't remember if it was the CZ forum or Enos) that you didn't need it in the shadow 2, just springs. I think it'd be interesting to see if a shadow 2 hammer would fit in a tristar. . .
I have heard that as well. I know several who don’t use the extended pin but I view it as a 20$ insurance policy.
With the 13#MS probably not but the 11.5# in mine did give me a few light strikes if i didn't use federal primers. Its good to just get it regardless.
k12 sport has a better stock trigger than that cz custom. and its parts dont break. and it supposedly settles faster from recoil than cz. and it has an honest price. not rip off price like cz. also its stainless steel so no finish to wear off and look ugly.
Nice video
Is everything you did here IPSC legal?
I am told the comp hammer is legal- you might check into it. I am not 100% on the firing pin or comp hammer- CZC says they are and they are run buy a former high level IPSC shooter.
good info thanks man
Cheers and thanks for watching.
Im your new subscriber
Thank you so VERY GRACIOUSLY! You are my huckleberry lol! Question: New subscriber (1): did you post a video of how to this? (2) Thus could be a great home defense gun.... what do you carry? AWESOME STUFF! God bless America and God Bless the Second Amendment! 🇺🇸🇺🇸🇺🇸🇺🇸
workthetrigger's channel has a lot of good videos on the CZ work. I'd point you over there. I actually don't favor competition guns for home defense guns. At most pistol distances there isn't a huge difference in performance from a service gun - the weight becomes a big ally on the competition arena - but that advantage isn't as obvious when you're not pushing the limit of movement speed while trying to make hits.
TheHumbleMarksman thank you for your insight.
All I can say is .......Wow