High-Velocity 7mm Rem Mag Loads with IMR Enduron Powders
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- Опубликовано: 20 сен 2021
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7mm Rem Mag is a VERY popular hunting cartridge, and for good reasons! With this cartridge you get more velocity compared to 300 Win Mag, and less recoil as well. With enough power to stop almost any game animal in North America, it's hard to go wrong with this powerful "platform". In this video, we'll build on the previous video in this series by looking at two popular IMR Enduron powders for this cartridge.
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7mm Rem Mag is my default hunting go-to. I live in Namibia, south western Africa. It suits most of our plains game and I have not had any issues getting well performing loads when reloading.
7mm Magnum, one of the best all around hunting rifles you can buy.
As an old anachronism, I remember the introduction of the Remington 7mm Mag, around 1962. At that time Remington was "owned" by DuPont. Factory cartridges were loaded with DuPont's 7828 powder which was not available to the public. Handloaders were frustrated in trying to find a suitable powder for this new cartridge. Eventually 7828 was offered to the public in cannister form. I also like this powder for the 270 Wby and the 25-06. Since I have a nice supply of 7828 I won't likely try any new powders for some time. Thanks for the video.
As most here know, there has been a terrific shortage of the normally used powders for many cartridges. I did stumble upon a couple of pounds each of IMR7977 & IMR8133. Boy, I'm glad I did. The 7977 delivered over 3300 fps with 140gr Nosler SB from my 7mm Remington & 3460 fps with 180 gr GMX from my .30-378, both without excess pressure and amazing accuracy. Give them a try.
Sorry to say been loading my heavy steel BLR in 7mm Rem Mag for gotta be what, 30 almost 40 years now with H4831 cause "like a fool" when one of my favorite local reloading gun shops decided to go out of business, I bought their existing supply of that powder "for a rainy day" :) Turned out to be one of my best 'investments' ever too :)
On the other hand, between that and the 4350 I've been able to carry on till now and still have some left for that "rainy day" which seems to keep getting closer and closer :( One thing I'll tell you about those Hornady fancy plastic nosed bullets, when they first came out, I couldn't believe how badly they were shooting in my rifle which was capable of SERIOUS accuracy. My brother had the same problem in his 270 with them, so he wrote a letter to the Hornady CEO (can't remember his name now off hand) describing the horrible results we were seeing , especially with the higher velocity loads. Wasn't long after we got a letter back from their engineering guys to the effect, they went back and analyzed what was happening, and found that the higher velocity loads were literally melting the tips causing them to slew all over the place. The fellow thanked us, and enclosed quite a few of their 'new improved' tipped bullets which frankly have exceeded all expectations:) One thing I'll say for the Hornady guys, they are SERIOUS about their business and not reticent at all about receiving feedback, and standing behind their bullets/products like an American firearms company SHOULD. Hat's off to those people. Now about the 7mm Rem Mag, imho if you can't kill 'IT" cleanly with at least ONE of the loads available for this caliber, 1. you are a lousy shot, 2. You're Not in the Western Hemisphere, or, 3. You need an 'Express' or Rigby rifle and a GOOD 'guide' standing 'locked and loaded' right behind you - WITH ONE :)
I run 4831 too. What kind of velocity are you getting? I've been running 162 ELD-Xs at 2900 but I'm thinking I should see what happens if I push them a bit faster.
It's been literally years since I've seen 8 pounders of Varget
They make 8 pounders???? Holy shit.
It’s true longrange. My dad used to tell me stories of shelves full of 8#rs.
I managed to get two 8 pounders last year right before the ammo crunch took off. I wish I got at least 4, lol.
I also had a ruger #1 in 7 mag, years ago in high school. Loved it!
2 of my favorite powders for hunting is 4451 for Creedmoor and 4166 for 22-250... They've been extremely consistent for me with really good numbers and they tend to be in stock a little more often then other powders in the same class... Great video as always keepem coming brother!!!
I don't have the spec's with me, but I use H4831SC and have a VERY accurate load. Extremely happy with it.
I used to load 175 Partion with Norma MRP and Magnum primers. At almost 3000 f/s with no signs of pressure! Very accurate! Exited to try your recipes!
Great video! I load nosler accubond 160 grain .284 with Imr 4350 powder and federal 215 primers for my big game hunting load! I'm able to obtain 3050 fps out of a 24 inch barrel and group 1/2 inch at 100 yards!
I used a lot of H-870 powder in my 7mm Mag with 160gr bullets accuracy was superb. After that powder was ceased I went to US 869 and worked really well with the same 160 gr bullet. Only about 80 fps difference in velocity but 3200 fps with a 160 gr bullet is no slouch.
I’m using reloder 26 with a 162 eld-x and I am completely sold on that combo. I’m getting crazy fast velocity and excellent accuracy and have gotten excellent results out of 2 separate rifles. I’m not even loading all the way up to maximum charge, although close to max, but still getting crazy fast velocity out of my rifles which both have 26” barrels. The only powder I’ve personally used that shot faster than reloder 26 was retumbo, but the accuracy just wasn’t there for either of my rifles or my buddies rifle with the retumbo. Enjoyed the video. That imr 8133 looks like it’s just about right for 7 mag too.
162 Eld-X and H1000, 160 Accubonds and Rl25 I hunt moose caribou and whitetail The 7mm Remington has done very well for me I save the retumbo for my ultra mags 7mm Rum 145 lrx and retumbo to 3550 and 300 Rum 200 accubond to 3330 . Enjoy your videos Keep up the good work!
Good information guy’s I load the 300 win mag and set my sizing dies up the same off the shoulder not so much off the belt with Norma brass , I’ve even loaded one set of 100 prices 10X with no failures
Loving this 8133 for my 7mm. It’s powering Barnes 145 LRX for me and it’s accurate and quick. The eldx was very disappointing for me and my buddies last year with it fragmenting and losing some deer and elk last year. We have all switched to Barnes and nosler accubonds and partitions. Saskatchewan deer are tough. Lol
I have the same Ruger no 1 as Guy. Mine is strictly used for smaller Texas deer and hogs (not so small). I use h4350 and 139 SST for the consistency. You don’t get near the velocity with h4350 but oh the accuracy. I loved the video and thank you both for the work!
IMR-8133 is a beast in 7mm Rem Mag. Full cases and good velocity
I use RL26 and Hornady 139 grain GMX out of my Ruger M77 MKII with amazing results on deer and hogs. Great video
63 gr IMR4350 and 150 gr Remington PSPCL under 250 yards. Works every time.
Great video men!
My favorite 7 mag load was combined technology gold partition 160gr with Reloader22 behind it. I can't remember the grains though. Currently shooting the new Barnes LRX 139gr with Reloader22. All of these leads I've used either federal large mag rifle primers or CCI large mag rifle primers. I've tried other powders but my old ruger likes the Reloader22. Another great video. I might have to give these IMR powders a try.
Took a large mountain caribou this year with a 7 rem mag shooting 160 grain nosler accubonds at 220 yards. Single shot dropped him hard, bullet exited after breaking both shoulders. Hard to complain about that.
I have used IMR but found in my 7mm mag that vithuorti N160 is the best choice!
7RM is my go too rifle for long range red deer hunting here in New Zealand. My favourite projectile for this caliber is the Hornady 180gr ELD-M, being pushed at 3055fps using reloader 26. It’s like this projectile and powder mix was made for each other.
You really shouldn't be using a match bullet for hunting. The ELD-X is meant for that purpose.
I love my Browning A-Bolt in 7 Rem mag. With it I have taken several of my best game species; from Dall sheep, to whitetail deer. I load 160 grain Failsafe bullets with IMR 4831, and 175 grain Swift A-frame bullets with RL-22.
4166 is becoming a go to powder for me.
Heavy 223 bullets and heavy 6.5 grendel bullets
That's what I always liked when I reloaded for my 7 mil Remington mag Model 77 ruger. You literally would get a more stable and consistent speed as you went up in the powder charge and there was actually no way to overcharge the case. As much powder as you can fit into the case another slow burning powder regulated itself. Leaving space in the case is what created instability with slow powder.
Nosler 140 gr Accubond 65gr IMR 4350. Not my most update to date load with today's newer powders but when it works it works. Sub MOA for years with that load
I totally agree. 7mm Mag user since 1984. IMR4350 has always worked with 140-150 grain bullets.Recently I found an 8lb jug of IMR4350 and bought it with a smile.
Thanks for the options guys.
4831 in Hogden and IMR for 160-175gr bullets have worked best for me in 2 rifles in 7mm mag.
For Hunting I use 69 gr. H1000 168 gr. Berger Bullet Avg. Speed 3,050 bump the shoulder back 2,000 of an inch then I seat the bullet just touching the lands and I get excellent accuracy. I Killed a mule deer this year and have been very impressed with this load.
Three cheers for Guy Miner! Mister Cool.
I just shot a mature bull elk with my favorite 7mm load. 69.6 grains of Retumbo with a 162 grain ELD-X. One round and he walked about 15 yards. He was spraying blood the entire way. I was happy with the results.
Great video i wish i could get mine to go that fast
I’ve handloaded for the 7MM Rem Mag for over 30 years. Thus far the belt has never been a problem for me. Being a target shooter with Sierra’s line of bullets, I’ve gotten groups the size of nickels, IMR 7828SSC. IMR-8133 just might be good with the 160 Gr BTSP and the 168 Gr BTHP MatchKing
What charge when using 7828SSC ? Thx s
7mm Remington Magnum was my first hunting rifle I purchased and I love the cartridge I just can’t find any lately
Nothing is in stock right now. Hard to even find .243 or 3006. Reloading components are even harder to find. Been looking for 7mm 175 gr accubonds for 6 months and still cant find any.
I use nosler accubond lr 168s with imr 4350 and federal 215 primers and it will shoot almost one hole all day long and its moving at just over 3000 feet per second
74.5 grains of 8133, 180gr. Berger veld in 7mm Rem Mag. , federal 215 primers and getting 3150. I am at 3050 FPS with CCI primers. My extreme spreads were 30 FPS and my groups were .80 @100 yards. I don’t shoot it because I do have a more accurate load with H1000, but I really wish I would not have sold my 8133 with the powder shortages now.
My Buddy has a Browning a-Bolt stainless he bought new in 1992. I worked up a load using Speer Grand Slam 160 gr and IMR 4831. Velocity at 80 degrees is 3100fps. The barrel heats up and the third shot is always high and right but the first 2 shots from a cold barrel are always touching at 100 yards. The rifle is zeroed at 200 and it has taken over 40 deer and an elk in the hands of several family members. Haven’t changed the scope adjustment since about 1995. Fire a shot at the range each year and shoot a couple of deer and put it away til next year.
140 grain ballistic tip with imr 4350 63 gr chronograph at 3334. I enjoy your videos thank you
I love shooting my Sako 7mm rem mag 24" barrel, and its easier to shoot than my .270. I use Nosler Accubond both 140/150 gr bullets and H 4831, but am out of powder and will try the IMR 4350 after i saw this video. Thanks, always exploring.
4350 is great for 7mm. I've shot both 4350 and 45955. They load out about the same weight wise, and seem to develop similar velocities.
I was able to buy some RL 26 and have been very happy with that 3100fps 155gr Terminal Ascent!
My load is about 35 years old, I use Remington cases, Nosler 140gr Ballistic Tip bullets, Remington 9 1/2 Mag primer and and 63.5 grs of Alliant Reloader19. Have been able to shoot 1/2" groups at 100 yds from my Remington Model 700 Sendero. I did replace the stock trigger with a Shilen trigger.
I got silly and sold my 7mm Rem Mag Sendero some years ago. What a tack driver!
It is still to much trouble finding components for shooting to be fun. Every pull of the trigger = time spent searching for stuff.
Great content on this channel, but it just reminds me of days gone by.
I use 2 bullets. Nolser accubond @ 162 grain and a barns xxtp @ 150 grains. Both with 7828ssc powder and Winchester WMLP primers in nolser brass.
I will probably never own a 7 mag, unless i move to AK, which is possible. Good info to have though. I am sure it would be great for moose, caribou, and smaller bears. Also large deer at moderately long ranges (say out to 400 yds, if i can shoot it well enough). Assuming i hunt all that stuff. Lol. Time will tell. Always great to see Guy. He is an excellent collaborator.
H4831SC and working with Swift 150 Scirocco II with Norma Brass. Got a lot of work ahead of me to tune it. Also have 168 gr Accubond LR.
Crazy good velocity, almost 3300 ft per second! I would love to see this with 155 grain terminal ascent. My personal favorite projectile.
Always load my 7 Mag with 140 gr. Nosler BTs atop R19. At over 3300 F.P.S., they shoot flat, true, and, hit hard. For anything heavier than 140, it's my 28 Nosler hyped up to 168 grains that I go to; powered, with Retumbo, and flying at just under the same 3300 F.P.S. For me that covers a wide range of game and hunting situations with one of my favorite caliber/diameter bullets.
I started long range shooting with a Remington Sendero in 7mm Rem mag 12 years ago. It's the rifle I learned to reload with too. It's consistently shot under half moa with most of my handloads.
Loads I landed on were 180gr berger hybrids on top of h4831sc. Velocity in the 2800fps range. Now that I chopped the barrel down to shoot suppressed I have since tweaked my load to 168gr berger hunting VLDs over h4831sc and am getting 2700fps on a 18in tube. Accuracy is still about half moa. I played with the 162 eldx but couldn't get it to shoot in the short amount of time I had to do it. Fell back on the bergers and they've taken deer and elk easily for the last 11yrs.
Spartan 7.62 how long is the barrel life of the 7mm rem mag and 28 nozler?
@@russelklassen9174 I honestly wouldn't know. Barrel life in a hunting rifle that somebody even intentionally practices with each year is something measured in atleast a decade worth of shooting.
The 28 nosler will be much more of a barrel burner than the 7rm. By a large margin. BUT the barrel life of a 7mm rem is over 1000rds I'd imagine quite easily. 10yrs of 100rds a year. For a barrel that costs 600$ to be replaced. It's a non-issue.
I want to say it's around 2500 to 3000 rounds
I use the Norma MRP in my 7 Remington magnum and Reloading switzerland RS 76 Fédéral 215 primers . Hornady eld.x bullet 162 grs and much bullets . Great résult . I'm French and here , to find American powders not easy see impossible. God bless
I use the Speer 160 BTSP and ELD-x 162 grain bullets on top of Reloder 22 powder. I am getting 3170 and 3060 FPS respectively.
Tried the 7977 in a 6m creed 26" bbl, 112gr Barnes. That bullet is all over the place in weight but sorted does pretty good, just couldn't get it honed in. Ex spread was in the 60-80fps range probably too slow for the barrel length. Backed it down to 7828SSC for less than .5 groups.
175g NP over 63.1g of RL-22. I think Guy helped me out on the Nosler forums when I started development last year.
Ya, 62.5 to 63.0 of RL22 shoots 175 Sierra game kings very well in my rifle; 2800 to 2850fps, 26” tube
Love the heavier bullets, 160 - 175 from the 7mm Remington Magnum. Excellent results afield.
Thank you for all the great videos. Have followed your channel for awhile. Your detailed information is always appreciated. New to reloading and wondering if you would consider a video on how to go about diameter selection? I have .355 and .356 plated for 9mm and .357 125 grain fmj soft point for. 357. Could I use 124 grain jacketed load data and chamber these in 9? There are so many diameter options (and variances) across many calibers, lead bullets can be larger than jacketed, any advice on selecting the best diameter for a given barrel? I have a few load manuals but can't find a solid answer to this and bullet diameter selection doesn't turn up much besides typical caliber ranges.
I’m using ADI AR2209 ( similar to H4350 )
With 61.5gr and a 160gr accubond at 2975fps. not ideal but it was all I could find when I made the load, retumbo easily gets over 3050fps but it’s using 12gr more powder and recoils way more. I don’t think the deer will notice 75fps.
Also to be honest I think a 150gr ELDX at over 3200fps is not ideal for hunting deer, it’ll absolutely explode when it hits something at that speed and lead fragments will cause bruising everywhere. a good quality bonded or mono projectile is ideal if you want to minimise meat loss. If you hit it in the engine room they’ll be dead regardless of the projectile anyway.
I’ve recovered two 160gr accubonds at 100 and 120gr so it’s 60-75% weight retention and still causes all the damage you could ever need and great penetration. Only downfall is the G1 BC of 0.531, but it’s still shooting very flat to 600 yards.
From my 7 mm Remington mag Winchester. I am using a 140 grain Nosler ballistic silver tip. I’m also using RL 22 powder. I’m getting velocities of 3200 ft./s.
Good vid
H1000. 175 gr.Partition 26 years reloading 7 mag. Tried almost every bullet powder combo. It’s about where you put it. Not what you use.
Great video, I would like to here how the cold weather shooting went on these loads as I live in Wyoming and cold to hot weather plays a big part in my decision to use the powder or not.
Currently I am using nosler 150 Grain ballistic tip with H4831sc. The game here in North Carolina are smaller bodied so I went with a smaller bullet weight.
I use 168 VLD Berger bullets and Retumbo powder thankfully I had bought some powder before all this shortage
Are there any videos on the types of primers and how they are different from the next?
About 15 years ago I bought a couple hundred Rem 140gr Core-lok on the cheap, and they have served me well.
7x57 and the 7Mag.
The deadliest mushroom in the woods!
🍄
I really wish y’all would do a reloading video on the classic 270 Winchester which is the closest true 7mm bullet.
I have a Ruger M77 ( tang safety) I have always shot 140gr Speer bullets with 66 gr of
IMR 4350, it's accurate and performs well on game, so I.never wanted to change !!
I've only ever seen Speer make 145 grain 7mm bullets. I used their boat-tailed version to kill a lot of deer and coyotes in the late 1980's and early 1990's. Switched over to 150 grain Ballistic Tips but kept using IMR4350 for both. Excellent results with both.
@@14goldmedals , you are correct
the Speer is 145gr # 1632, the 140gr
were Barnes # 28444.... good catch
My elk rifle is a browning x bolt medallion with a proof carbon barrel 1/8.24 and a timney trigger I shoot the 175 eldx loaded really long with 62 grains of RL22 my smallest group was right around .3" I have not chronograph this load yet!
My M77 Ruger in 7 mag shoots anything I put into it well. From 130gr Speers for deer/antelope to 175gr Sierra SPBT for elk, generally in front of IMR4350.Just one of those guns, thankfully
Just Bought a Dillon 750xl here in Brazil, only have Magtech powder to go with it, you are privileged up there in the USA! haha
I bought some imr 8133 haven’t tried but will prob try it with 245 Berger in my 300 Norma
Reloder 26 and the 7mm REM Mag are a match made in Heaven.. very fast and accurate.. 69.5 grains behind a 162 ELX - 3070 fps from my almost 23 inch Tikka barrel.. and not trying to push it hard..
I know I went a little backwards with the what the 300 prc was designed for but I took a 166 grain hammer hunter and got just shy of 3300 fps it's an absolute pleasure to shoot I never changed point of aim from 0 to 350 yards I would like to see if you get the same results as I did
I have 1 Lb of 8133 and a 26" bbl 9" twist 7mm WSM ,any suggested starting loads for a Berger 184 or 162gr A-max ? 75grs is case capacity of 8133.
I'm about to start working on loads for my 7mm rem mag and 7mm weatherby together. 150gr partition for both. It will be interesting to see the difference.
Am also working on 7RM loads. Always wanted a 220 Swift but couldn't justify cost vs use. Am working on 100 gr Sierra HP for varmint but having problems with barrel heat past 3 rounds Using H4831 SC. I found a piece about coating bullets with Hexagonal Boron so am trying that. I have some loads ready and am waiting for my local range to open up.
Reloder 22 and 150 grain swift scirocco have never failed me. I have some 8133 on hand to try...
Upon future research seeing that 7RM is a over bore cartridge IMR-8133 is best suited for the 175 -190+ Gr bullets. For the 150 grainer’s a more suitable powders would IMR-4350,
RL-19, IMR-4831 , H-4831, and maybe RL-22.
I've got two bullet styles I'm wanting to run with. 160 grain nosler partitions for hunting, and 180 grain berger hybrids for long range target shooting. The only powder I have currently is imr4831. Not sure how it's going to work out yet.
I use 160 gr Partition or for better accuracy Speer HotCor bullets with 79 gr H870 witch is discontinued now and I'm almost out. Are these Enduron powders close to the burning rates?
I use the Hornady 162 ELD. Better BC and really nice groups.
I’d like to see more of what Guy does to reload for a single shot rifle, that doesn’t have a belt. I’ve heard mixed reports of doing a FL resize or just bump the shoulder. I have a T/C encore in 308 that I want to reload for.
Great content. Thoroughly appreciate & enjoyed this vid.
I have reloaded 7 mag for quite a few years. Mainly since early 90s. IMR4831 & IMR4350 have been my preferred for most of that time. But recently have given H1000, Retumbo and IMR4451 a go. All have done well. I struggle with H1000. It seems bullet finicky to me. Velocities are hard to get where they should be & the barrel heats up beyond 3 shots very quickly. But Retumbo doesn't and velocities are constantly high & accuracy is very good. 4451 isn't as high of a velocity powder but respectable and sd, es & accuracy is very impressive. 162 ELDX is my go to this year. Either a near max charge of 4451 @ mid 2800s or a comfortable charge of Retumbo @ 2930s. Keep up good work gents.
Retumbo has worked well for me in 28 Nosler. With a 150 gr I am getting 3425 fps with an es of about 10 fps. My go to load will be a 175 ablr going around 3200 once I can actually find them in stock.
I’m using IMR 7977 in my 6.5x284 pushing 143gr ELDX @ 2950fps. I’m using IMR 8133 in my 28nosler pushing the 195gr EOL Berger bullets @ 3100fps. Both rifles are amazing
How many grains and what seating depth in the 28? Have you tried anything in the 175-180 gr range. I have been searching for 175 ablr for over 6 months to load in my 28 but cant find them in stock anywhere. Currently shooting 150 gr swift scirocco 2's at 3425 with 87.5 gr of Retumbo
@@Nick-sx6jm I’m running 82.5 grains of 8133. CBTO is close to 3.70 but I can’t remember I’m not home to look at my log book. The 28 is a cartridge for the long heavy high bc bullets. If your going to run 175 or less why not just shoot a rem mag
Hey Gavin I've been looking up and down for powder the only powder I've been able to find 4350 and 4320 would you say it's good powder for 7mm and 300wm for hunting loads?
Sierra 160 SBT and H1000. Very accurate and deadly.
What are your thoughts on these powders for the 7mm PRC?
I use 7828 and have tried some Reloader 22. With lighter bullets I have had good accuracy with 4350 IMR.
Hi ya I’m using a tikka t3x in 7mm rem mag I love it I’m using 162 grain hornady eldx using ar2225 powder running 3000fps shot it out to one km on target not game
I have been using IMR 4831 62.8gr. and Sierra Game King Bullets ,160 grain boat tails for deer moose elk, and have never lost and animal. Always good clean kills ,Bullets' always mushroom correct weather it is 100 or 600 yards. I had a Remington pump 760 in 30-06 and it kicked like a moose ,and I found it did lots of damage to the animals, I think because of the bigger bullets. So then I went to a 243 in Rugar m77 international, Beautiful gun , better for deer but ,I wanted a bigger cal. for larger game ,so my research led me to the 700 REM in 7mm mag. And I like it so much I use it for everything , you want to reach out to a deer at longer ranges no problem. And with correct shot placement it does not make hamburger out of the animal.
I use Hornady 154 grain sst and IMR 7828ssc powder out of a TC Venture.
I got a keg of 4955 and a love it in 243 and 338 Lapua
I tried a friend's 338 Lapua once, and wowsers, I was expecting 338 win mag recoil. DAMN! was I ever wrong:) That is one STOUT cartridge, recoil seemingly just a tiny bit shy of my .375's. Hat's off to you:)
I use H1000 in my 7mag. 3300fps with a 140gr Nosler E-tip, 3000fps with 180gr Eld-M. IMR8133 sounds interesting, may have to try it.
I like your idea of the Nosler E-Tip. Have you used it on game yet? I'd think it would be an excellent hunting bullet!
139 gr. Sst pushed with 68 grains of imr 7828 sc
Decent velocity and great accuracy out of my Winchester model 70
I have a pre 64,m70 bolt rifle ,,,for sale. Wood stock ,I did a glass bedding on it . Shoots very well. I don't need it . I have to down size my collection . And a 7.7 Japanese Sporter. Hunting rifle. Dies and loaded ammo go with it .
@@timnavarrette3274 cool!
How much you selling it for?
whats powder for hight velosity,for 308 ,175 gr Sierra bullets?
162 eldx or 175 partition or 175 Acubond or 168 Berger classic hunter. 4831sc , 7977, 8133, H1000. I have options but only pound or two of each powder and only a box or two of bullets. Enough for development and hunting for a few years most likely.
162 hornady interlock WMR primer and h4831 im over book spec on powder charge but only getting 2770Fps pressure signs are ok. 3-inch groups at 600 yards gun rem sendero II
Accurate powder from Montana seems to be more available than other powders. Primers however, good luck.
Rifle Remington 710, Primer: CCI #250, Powder: IMR 4350 58.0 Grains, Brass: HSM, Bullets: Sierra GameKing, 175 Grain Spitzer Boat Tail #1940
7mm Rem mag. RL 22, but I can't find it now. Only a little left. I've had great results out to 1308 yards.
Has anyone tried using imr 8133 with ballistic tip 120gr. Bullet, for the 7mm Remington Mag.
I personally use vitiorti n160 most accurate and easy to clean my gun.
how about Retumbo in the 7mm? I have bunch of it