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My new 338 WM sports a 24 in Lilja barrel. I plan to start load developement with a Barnes TSX 225. What is a good powder to start with? My biggest fear is when I die my wife will sell my guns for what I told her they cost. | ||
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Reloader 22 is as good as it gets for the 225 in the .338 win mag. Give it a try. | |||
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Reloader 19 works pretty good also! ______________________ Smedley  ______________________ From Audacity of Hope: 'I will stand with the Muslims should the political winds shift in an ugly direction.' B.H.Obullshitter ------------------------------------ "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery" Winston Churchill ------------------------------------ "..it does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds.." Samuel Adams ------------------------------------ Facts are immaterial to liberals. Twisted perceptions however are invaluable. ------------------------------------ We Americans were tired of being thought of as dumb, by the rest of the world. So we went to the polls in November 2008 and removed all doubt.....let's not do it again in 2012 please. | |||
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RL-25 From 71.1 grains to 76.5 grains Remington 9-1/2M Primer | |||
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Thanks. I have a tub of Reloader 22 and I will start with that. My biggest fear is when I die my wife will sell my guns for what I told her they cost. | |||
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I primarily use Nosler 200gr bullets and with my MGA bolt I have gotten very good results with IMR4831. | |||
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I'm with smedley on the RL19 as the best but RL22 works too  Whichever powder you use, the 225 TSX seems to want to shoot at 2825 +- fps. ____________________________________ There are those who would misteach us that to stick in a rut is consistency - and a virtue, and that to climb out of the rut is inconsistency - and a vice. - Mark Twain | Chinese Proverb: When someone shares something of value with you and you benefit from it, you have a moral obligation to share it with others. ___________________________________ | |||
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I use RL-22 pushing 225gr SST's. I think the RL-22 will work well for you, but my experience with Barnes bullets, is that they like flying fast, so RL-19 might be a better choice. Best of luck with your load. mike | |||
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FWIW, I have always used RL-19 in my 338 for bullets weighing 200-225 grains. **************** NRA Life Benefactor Member | |||
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For me, RL22 is a bit slow. I have had better results w/ RL19 & IMR4831, very accurate in my rifle. LIFE IS NOT A SPECTATOR'S SPORT! | |||
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RL19, RL22 4350 and 4831, in that order. If it won't shoot with one of those and have good velocity, best sell it. The .338 is usually a piece of cake to get to shoot well under the inch mark. A shot not taken is always a miss | |||
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Snow: That's easy - about 72.5 grs. of Rldr-22 and a 225 GR. Northfork. It just plain works. Bear in Fairbanks Unless you're the lead dog, the scenery never changes. I never thought that I'd live to see a President worse than Jimmy Carter. Well, I have. Gun control means using two hands. | |||
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I always had my best luck with IMR 4350. A 210 Nosler Partition @ 3050 fps and .75 MOA Elite Archery and High Country dealer. | |||
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If you can give up a 100 to 150 fps, MV... don't overlook RL 15 as a powder for the 338... it works great in mine... IMR 4064 is also a very very accurate powder in both of mine... I go for accuracy over max velocity any day... cheers seafire  | |||
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IMR-4350 is the best starting powder for the 338 Win Mag. If a 338 Win Mag won't shoot well with 4350 something is wrong with the gun. With 225's 69-71grs should do it. I've used this in at least 1/2 dozen 338 Wins....................DJ ....Remember that this is all supposed to be for fun!.................. | |||
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for the 338 with the 200/210 proj H 4350/R 19 is real good, for the 225 tsx try R22 or if you are luckey enough to have some NORMA MRP try that it is a far superior powder than R 22 regards daniel | |||
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Always need an excuse to buy a different powder so I will add some RL 19 to the inventory and start from there. Thanks folks. My biggest fear is when I die my wife will sell my guns for what I told her they cost. | |||
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No worries. Best of luck with the loading.  mike | |||
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RE19, WLR primers, and don't even think about using anything else. Oh, 73grs. will do the trick. And the can says "Powder of choice for the 30-06 and 338". That might tell you something of the powder. Jay | |||
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looked in my barnes number3 manual they really like RL-19 VARGET,H414 and H-4350 thats useing their 225 blue xlc coated x bullets they don''t show their new tripple shocks in this edition,note between RL-19 and RL-22 start loads are 1 grain apart and max loads are 1 grain apart , regards jjmp | |||
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Yep, RL-19 does say powder of choice for the .270, 30-06, and .338, though Alliant lists it's Primary purpose as Standar Rifle, and it's Secondary Uses as Light Magnum Rifle. Alliant lists RL-22 as being great for .270, 7mm Mag, and .300 WM, with it's primary purpose as Magnum Rifle, and Secondary uses as Heavy bullet stand rifle. I personally opted for RL-22 so that I could use it to load for 225gr, 250gr, 275gr and 300gr bullets without having to change powders. It all comes down to personal preference. mike | |||
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Given the larger expansion area (read bore) one would think the 338 would be at it's best with powders like 4350, however, over the years I've found that the 338 Win mag shoots just about everything well. IMHO, this is a most forgiving cartridge, and one of the easiest to make shoot well. In my experience the only bad load I had was with the original Barnes X bullet -it just wouldn't shoot for me. My best results were with 210 and 250 grain partitions along with Sierra's 250 grain BTSP. Even the little Nosler 180 BT shot well, but it isn't my bullet of choice. With that said, my best loads centered around IMR 4350 and RL19 fired by F215s. My worst load was H4831 and the X bullet, but I don't blame the powder. | |||
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.338 has definitely been an easy cartridge to load for. I personally use RL-22, but I've also loaded it with IMR4350, and even IMR4895 (just tried it out for the heck of it. shot like a big .308  ) For me/ my rifle, IMR4350 didn't provide results any better than IMR4895.  , about 2 MOA at best. But with RL-22 I easily cut my group down to .5 MOA.  In the end, each rifle is different. Each will have it's own preference of bullets and powders. The challenge is just finding the right combination. (but that's what makes it fun too) mike | |||
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My 338 Tikka likes I4350 better than RL22, havent tried RL19 though. I shoot 200g NBT which do the trick on all game in the continental US just fine. | |||
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I dug up this old thread through a search for help with my 338 and 225gr Hornady Interlocks. My Sako 75 shoots rather average groups with the Interlocks and IMR4350 (1.25") Any new opinions on the RL19 or RL22? Also, I am told that with bigger cartridges like this, small changes in overall length will make little difference and it is rather a situation of your rifle liking the chosen bullet or not. Agree? Thanks in advance. | |||
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I use mostly AR2209 (H4350) because it's easy to find here. I have tried RL19, too, but haven't seen it in the shops for a long time. | |||
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Long ago I found that H450 worked really well in the .338. It seemed to be a very dense ball powder that acted about like H4831. With a standard chambered rifle it let m use 250-275 gr. bullets without the heavy compression of H4831. For unknown reasons Hogddon discontinued it so I switched to Re22. There still seems to be quite a bit around so if you can find some you might give it a try. C.G.B. | |||
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H450 was a surplus military powder marketed by Hodgdon. When it was gone it was gone. Acted very much like a spherical H4831. | |||
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I've owned five .338 WMs which shot well with 225 grain Barnes bullets and IMR4350. Your rifle just might not like Hornady interlocks. Just had that happen with 7mm-08. I had an Abolt II which wouldn't shoot the Interlocks but my Sako 85 shoots them into small groups. Try switching bullets if you can. | |||
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H4350, I just killed a big NE bull elk with 71.0 gr and a 225 North Fork soft at 2800 fps I have tried RL 19 with some different loads also and it seems to work ok, H4831, IMR 4831 and ImR 4350 work also | |||
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I use IMR 4350 with the 225 TTSX and it's a great shooter. | |||
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RL-22 or RL-19. and they meter well, and no cutting Ray Atkinson Atkinson Hunting Adventures 10 Ward Lane, Filer, Idaho, 83328 208-731-4120 rayatkinsonhunting@gmail.com | |||
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IMR 4831 for 225 - 250g   | |||
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I read a add or post stating RL-22 has been discontinued! that bad news but RL-19 and 17 will do as well..Hard to say where Reloader is going so it mght be a good idea to try other powders.. Ray Atkinson Atkinson Hunting Adventures 10 Ward Lane, Filer, Idaho, 83328 208-731-4120 rayatkinsonhunting@gmail.com | |||
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... and get a stock of those powders, if you can find them. Unfortunately, I haven't seen Reloader powders here for a long time. BTW, I found an old article by Nick Harvey reviewing the first 'Mulwex' AR2213 here in 1987. He compared identical powder weights in various calibres with the original surplus H4831 and Hodgdon's Scottish version of the same time. In these tests, the Australian powder tended to give much higher velocities but also higher pressures, so I'm not sure what it proved other than that ours would seem to have been faster burning. Anyway, Nick said ADI were sending a ton of it to Hodgdon for evaluation and manual-load setting. I don't know where that went but it seems our AR2213 eventually became H4381. | |||
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Can someone explain to me why Hodgdon still includes Norma MRP in their 2024 burn rate chart?  https://hodgdonpowderco.com/wp...te-Chart-WEBSITE.pdf I think they just like to tease, I would love to score a few lbs of it, but I haven't seen it in years. AK-47 The only Communist Idea that Liberals don't like. | |||
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Rl—17 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ J. Lane Easter, DVM A born Texan has instilled in his system a mind-set of no retreat or no surrender. I wish everyone the world over had the dominating spirit that motivates Texans.– Billy Clayton, Speaker of the Texas House No state commands such fierce pride and loyalty. Lesser mortals are pitied for their misfortune in not being born in Texas.— Queen Elizabeth II on her visit to Texas in May, 1991. | |||
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My Ruger No. 1 shoots that bullet 3/4-M.O.A. at 200 yards with a middle of the book load of IMR 4350 lit by a WLRM primer. I seat 0.065" off of the lands. One morning I shot an elephant in my pajamas. How he got into my pajamas I'll never know. - Groucho Marx | |||
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The 338 is a miracle caliber as to powder, it just handles a lot of different powders well indeed, never overlook RL-17..and a dozen or so others. Ray Atkinson Atkinson Hunting Adventures 10 Ward Lane, Filer, Idaho, 83328 208-731-4120 rayatkinsonhunting@gmail.com | |||
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That's true, Ray. I even used minimal loads of 3031 to make subloads 40 years ago. It seemed to burn very cleanly. | |||
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