Adjusting the power on the BSA R10 Mk2
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- Опубликовано: 3 дек 2024
- Here's a look at how to increase or decrease the power of the BSA R10. Always make sure that you use a chronograph regularly to make sure that you stay within any legal limits. This is an easy job to do. All you will need is a 4mm Alan wrench to undo the stock and if the end cap doesn't come off by hand you will need to heat it with a blow torch or similar to melt the glue or Loctite that holds it in place. Be careful with any heat source. You will also need a wide blade screw driver or chisel to make the adjustments, or something to turn the adjuster for the hammer spring.
![BSA R10 mk2 [review]](http://i.ytimg.com/vi/HgS_H4LVOC0/mqdefault.jpg)
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Use a hair dryer and a pair of grips carefully and can be done in less than 5 mins, brilliant video
Thats brilliant, really consistent 👍
Cap on my mk2 is held by 2 bolts one under trigger unit and other under the probe after bolt removal
The gun you are using to demonstrate this adjustment is sub 12ftlb or FAC?
Love your videos .just like to ask do you have to apply for your club?as I’m in Derbyshire not far from you and looking for a club.just to have some target work once or twice a week ??cheers
Nicely done 👍👏
Approximately how many full turns clockwise to go from 11.00 to 11.6 would you suggest? Thanks
How much of a turn on the screw did you do for the power?
Nice job how much of a turn on the screw did you do for the power 15 degrees or half? Thanks
great video, i am thinking of getting back into airgunning and the r10 is in my final list of top 3 rifles along with daystate regal hr, a bit out of my price range but may push the boat out, HW110 laminate. just wanted to know if the r10 is that accurate out of the box and out of the 3 rifles on my list which one would you go for if you had the choice. many thanks
Not an easy answer and all three are great rifles out of the box, and all as accurate as each other. You'll get more shots per charge from the R10, but the other two would probably be a little easier to carry out in the field if you are using them for hunting, although the R10 is not too heavy, having said that. Magazine count will be the same for all three, so no differences there either. At the end of the day this one will come down to personal preferences. I would say go to your local dealer and ask them to let you hold and shoulder each. At this point I think you'll fall in love with one of them. Happy shooting.
R10 mate as an owner myself i recommend great gun 👌
Same again had mine for a few years and it were amazing just too nice to use for hunting
Nicely done. But can you tell me how do I know if the cap is glued or if it has grooves on it. Secondly which glue should I use to stick it back because loctite is not available in country I live in
You don't need to glue it back on because it is threaded, so you could just screw it back on. Once the action is back in the stock its not going to come off anyway.. If its hard to unscrew initially you'll just need to heat it up to melt any glue holding it and when off just clean any remnants of the glue off the threads.
@@airgunsniper-elite7385 hi thanks it helps. I don't actually have a chrony but do you know one complete turn of hammer spring adjustment screw will how much increase FPS on average for 1 gram pellet?
What chrino was that
Would this be the same procedure on the r10 se ?
Yes
Nicely explained. If I screw the cap back without any glue does any air leak from this cap while firing?
No air will leak. It was put there just for cosmetics and as an anti tamper to the hammer screw adjuster by the manufacturer. You can screw it back on without putting locktite on it as its threaded and the stock will also cover part of it.
@@airgunsniper-elite7385 great thanks
What that app your using to measure the fps
i could not for the life of me get the cap of and it was glued on real good, tried heating, prizing, grips, rubber gloves, me twisting and a friend turning. ended up damadging the paint work around the cap. ultimately i sent it to ratworks and it came back was easy to remove
Good tutorial ...you have to chronograph with a low air pressure in the tank rather than the full 230 bar limit , 100 bar would be a good guide to go with
Yes, but this one is tench regulated and is consistent throughout.
@@airgunsniper-elite7385 Ahh thank you for that , Mine is a Huma Regulator and requires the tank to be around a 100 bar for accurate chrono testing ...I will heed your good advice
I felt my R10 (purchased September 2020) was shooting somewhat low in power, at least compared to what I've seen on RUclips reviews. After watching your video I got the courage to attempt to adjust the hammer spring and I was surprised to find that not only was the end cap NOT glued in place, but it was so loose it was ready to fall off. What do you make of this? Was the factory adjustment skipped on my rifle?? Your thoughts........
Maybe they didn't use locktite after screwing it back on. As long as you have a chronograph to keep an eye out on the power you should be OK. If it happens to be a loose fit, you can always put a bit of thread lock on it to stop it falling off, but I think the stock will keep it in place from falling completely off.
Is it the same on a BSA Super 10 ??
I don't know, but the principle will be the same.
I have the Rat works edition R10 and I’ve applied for my air gun FAC spoke to Phil and he says not a good idea to up the power on the gun saying it will take away what’s good for the gun
I’m happy with it as it is using 177 Accumax it is faultless but I see on a dealer wed site that they can supply me a new R10 FAC which can knock out up to 30 lb ??
I wonder why the Rat works can’t handle the big increase
I need a longer reach gun to get to these bloody tricky magpies so I may look for a reasonable second hand FAC gun any suggestions mate ?
If you go FAC it makes sense to go with a bigger pellet. The .25 will easily buck the wind, but the .22 has a bigger choice of projectiles. The .177 with normal pellets will be great upto 15 ft/lbs, but the more power you want the closer to the speed of sound the pellets will get, affecting accuracy, so you'd need to go upto about 16 grains, or use slugs, which would be OK for 20 + foot pounds. Sub 12 ft/lbs remain accurate because they don't break the sound barrier in .177. I have shot both .22, .25 and .30 Daystates and Brococks at the club at full power when testing them for Daystate and they really do make a difference. A .25 will be pellet on pellet at 50 yards and flat out to 70 yards, even in strong winds, achieving between 45 and 55 foot pounds of energy so that is what I would go with, although you have .22 pellets that weigh upto 33 grains, so that would still get the job done. At the end of the day its up to you.
Would this be the same on the ultra clx
please let me know
So what kind of power are you looking at if it was on full power?
And in addition what effect on accuracy does ramping up the power have If I’m set at sub12 and zeroed at 20yds ?
What’s the highest you could probably tune it to? Just out of curiosity?
Probably to within 13 ft/lbs. Any higher you would need to up the regulator pressure. That's if you have FAC. Also stronger hammer spring and larger transfer port. In 177 no more than 20 ft/lbs depending on projectile weight.
Increased spring tension but no increase in ft per second. Must have to do the Reg also assume. Mine is getting 670 ft per second.
Yes, sometimes when the reg pressure volume limit is reached the spring makes no difference without increasing reg pressure. At least you aren't waisting air. It should be spot on for the tune.
@@airgunsniper-elite7385 thanks mate for your reply, your a star.
Thank you very much :)
How far would you recommend turning it?
It all depends on where the power is currently. Anywhere from a half turn to One and a Half turns. I usually test with JSB Hades or Bisley Magnum to no more than 11.8 ft/lbs. By doing this the rifle shouldn't go over the legal limit with anything else. Doing this with a 8.44 grain pellet would mean that the Bisley Magnum and JSB Hades would be close to 13 ft/lbs.
Hi iv recently picked up a bsa r10 mk2 regulated
I dont seem to get many shots before its down to 100 bar
It does hit hard im waiting to get it chronograph
How much power could a untune
R10 be
If previous owner has been fidling with the hammer spring do they max out at 12ftp or could it be higher
@@FLAPERY not sure, ive had mine tuned my ratworks since i commented, its awesome 😎
@@airgunsniper-elite7385 so who is gonna know if its over 13ftlbs?? How you going to end up in that situation?
If i adjust the hammer spring and the power doesnt go up what would this be?
It should make more power unless the regulator is set too low, meaning that no matter how fast the valve is opening it doesn't have enough air to make the projectile go any faster.
what was the chrono you was using thanks
I use the FX Radar Chronograph
Have you got a scorpion se
No, just the R10.
@@airgunsniper-elite7385
Did heating up the rear cover damage the finish? Or need sprqying after with black?
@@THEGHOSTMAKER1 No, it was fine.
@@airgunsniper-elite7385 ah great stuff, just a quick one dis it take long for the glue to come loose as i take t Phil had re glued it? Or was it still glued from factory?
@@THEGHOSTMAKER1 about 10 or 15 seconds should do it. I think it had some blue locktite on it after Phil did the tune.
what was the crono you were using ?
He uses the FX
Any link for your chrono please .
Hello Richard I got my FX Radar Chrony from J S Ramsbottom. www.jsramsbottom.com/new-fx-radar-wireless-bluetooth-chrono-airgun-air-rifle-pistol-airsoft-bow-chronograph-chronoscope.html
What power level was it after you the the tune done?
It's now shooting at an average of around 11.2 ft/lbs
I meant after you got it back from the rat works, what was the power level?
@@GSwton Not sure, because the rifle belonged to John Kemp who had it done at the time. I purchased it off of John when he was selling his rifles down to ill health. At the end of the day it would all depend on what pellet Phil tuned the rifle with, as different pellets give different results. I have tuned it with Daystate 10.3 grain, which are probably one of the most efficient. It was around 10.5 before I tuned it up a bit, but that is easy enough to do once you remove the cap and adjust the hammer screw adjuster. Phil will tune it to whatever you ask, and whatever pellet you want, so each rifle is custom tuned at the end of the day. 11.5 is the highest that most custom tuners will go with their most efficient pellet, as they have to cater for new pellets and whatever the law may test them with. The 12 ft/lbs law came out in 1968 when most rifles would struggle to go above 10 ft/lb as springers, so they went for 12 ft/lbs as a buffer. Who would have known how efficient air rifles would get with PCPs. Shame we didn't go to 15 or 20 like some of the others in Europe. Tony Belas told me this. It all came about when some idiot was shooting at cars on the M1 with a benjiman 20 ft/lbs pump up rifle, otherwise we wouldn't have been restricted.
Airgun Sniper-Elite Hi thanks for the reply, i’ve had mine tuned by rat works just wanted to give it a bit more power as it’s just under 11ft/lb with 10.6gr bisleys. easy enough job as I did it before i had it tuned.
As for the 12ft/lb law I heard it was because the germans were making rifles accurate at 16ft/lb and the uk makers bsa/webley were making 12ft/lb rifles so the law was changed to stop the germans flooding the market !
@@GSwton lol yeah the government really gave a shit about the tiny uk airgun market.
Hi Thanks for the info for power adjusting the R10, I have an R10 Se which ipurchased new in August 2021, I have found a gradual drop off in power which i noticed on shots above 40 yds.
I put the gun through a FX Chrono and found the power had dropped to under 9 lbs ft , having watched your video i decided to attempt the adjustment process, managed to get the cap off with a little heat and found the slotted screw inside, decided to gradually screw in quarter turn at a time then checking with the chrono as i went, the results have left me scratching my head, the power has dropped and is less than when i started no matter how far i turn the screw inwards, I just wanted to ask if you may have any thoughts or advice on this. Many Thanks keep up the great videos.
Yes, this means that the regulate pressure is too low, and the air volume in the plenum is all you have. I haven't adjusted my regulator on the R10, but it's always best to a little more than required so you can adjust up or down by fine tuning the hammer spring. This has happend to me in the past. Most tuners will usually open up the transfer port, which makes for more efficiency and power, allowing for lower pressure on the regulator to get more shots. It's then a matter of balancing the regulator and hammer spring for the desired result. If you go to XTX Air, or Robert Lane RUclips page they have put information and videos on for tuning various rifles. BSA are one of the most tuned brands. Phil Crampton of the Ratworks is also very helpful. He can advise, or do any work for you, and he's a good tuner when it comes to BSA. He's based in Leicestershire.
@@airgunsniper-elite7385 Thank you very much indeed, thats great information and very much appreciated cheers 👍
@@airgunsniper-elite7385 i have decided to bite the bullet (excuse the pun) and i have ordered a huma regulator so hopefully once thats fitted the gun can be fine tuned to get the desired output
Thanks again
Isn't this the se version.
do u turn it clock wise to increase?
Yes
Turn it all the way up. My R10SE. 177 shoots 20 ft pounds.
FTP!!!!!!!!
I don't have a Firearm permit, so I can't. Our maximum is 12 foot pounds, but you have to take into account of the most efficient pellets, even if you don't shoot them, so most UK rifles only shoot between 10 and 11.5 foot pound with preferred pellets depending on their weight.
Really is that from just tightening the hammer spring ?
@@nathanrobson7952 yep
@@airgunsniper-elite7385 I've always found 12 ft pounds is more than enough power for target practice or hunting. People should be careful adjusting the power on the r10. If you get caught with a rifle firing over the top off police you'll end up with a firearms charge the rifle will be confiscated. I don't think it's worth the hassle. 12 ft pounds is enough
I've tried turning the washer looking thing, however it doesn't appear to be threaded as it hasn't moved no matter which way I turn it. Any ideas??
Look at the video from about 2 min 18 seconds. You have to use heat the melt the locktite on the end cap. Inside you will then see a washer with a piece cut out on either side to fit a large flat screwdriver in and turn it clockwise to increase the power, or anti clockwise to lower the power. Make sure you have a good chronograph to check you don't go over the legal limit of the Country you are in, if it has power restrictions.
Hello!
I have a Gamo GX40 in which you can adjust the hammer spring.
I have no interest in shooting pellets as they are very depending on speed for their stability.
My main interest is shooting bullets and slugs for my caliber, I've noticed that the faster slugs go the more precise they get, I think this has to do with the fact that they are stabilized by the rifled barrel more than the cone-shape of regular pellets, is there a way I can tune my Gamo GX40 (BSA Bucaneer really) beyond manufacturer specification so I can get some speed behind my slugs?
I have a variety of slugs, the one I like right now is the Piledriver from H&N, this is an extremely hard hitting slug that reminds me more of a firearm than an air rifle in terms of damage delivered, but my Gamo GX40 doesn't seem to be powerful enough to really deliver the speed that I seem to have found out that they like.
I haven't tuned my hammer spring tension to max.
If you live in the US i expect your rifle is delivering around 25 ft/lbs and probably has a longer barrel than in the UK to create extra muzzle velocity. An air rifle is tuned in the factory to the power restrictions of a particular country. In the UK we tend to have shorter barrels and smaller transfer ports in the barrel, valve and block of the rifle, plus a less powerfull spring. For those without power restrictions the easiest way to increase efficiency is to increase the size of the transfer port holes and put a heavy spring in the rifle. If they are also regulated they have a larger plenum and larger air capacity set on the regulator. So as you can see it's not all about hammer spring, but the easiest way to increase power is to have the maximum size of transfer ports to make the air more efficient. If you check out Robert Lanes videos he explains this. Different calibres also have different sized transfer ports which are calibre specific. too big a hole will have an opposite effect, but normally the larger the calibre, the larger the hole required. If you are shooting slugs, not all slugs shoot the same, so you may find a slug will work in your rifle that does not need such a high velocity as the next slug. I have found that in .177 the 13 grain Pro Hunters don't seem to mind low power air rifles and will happily shoot at 640 ft/p/s, or 11.8 ft/lbs. In .22, although I haven't tried them the new Daystate Howler slugs may work well. If you look at some of the Roger Lait videos he tests slugs through a Daystate RedWolf and FX Impact with some interesting results with different brands of slugs. Every barrel is different, even in the same rifle, so it will be down to trial and error while testing. A lot of the slug manufacturers will offer sample packs. H&N do it and so do Pro Hunter. If you Gamo has no adjustment for the hammer spring you can pack it with washers, but if you live in the UK, unless you have an FAC, you should definitely use a chronograph unless you want to fall fowl of the law. Good luck with it.
That's better , I'm gambling on good results @ 50yrs , what ya say , 10 shots 2p group ? ... Providing it ain't blowing an hoolie ..
Standard HW100 is way more consistent than that.
Yeah, but it has much lower shot count, heavier and ugly. I have both. Got my r10 mk2 tuned, it is has good as my standard HW100s but I use the R10 more.
Leave it alone and do not try to get more power unless you have got it on your fac, 0.1 over and you are nicked, and they will take it and will get it over with every pellet made and at different temperatures and your feet won’t touch the ground! My R 10 just about 11.1 average, close enough for me , how ever I’ve got a fac and the sky’s the limit with my new fac R10 !
Nothing wrong with adjusting the power as long as your below the uk legal limit if 12 ft lbs with any pellet.
Hows anone gonna know?? Unless grassed up?
Pretty sure that’s illegal
Keep it under 12 lb its just fine
Who cares British gun laws are stupid anyway
@@macncheesebubblegum4536 i have respect for the law and get to enjoy my hobbie if you own an air gun in England its a good idea 💡 to get a crono for testing how many ftlb you get from your gun some barrels shoot pellets faster than others at the same weight so all ways good to check
@@tinabates542 literally have no interest in what you say UK gun laws are stupid
Why Nathan .w are you a grass because nobody likes a little grass in This day of society