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Joined: Sep 2009
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OP
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i recently picked up a tang safety ruger in 338 win mag and havent loaded for it yet. ill be using 225 and 250 grainers in it and would like some powder recomendations, load experiances, etc. i have 4350, rel 22-19 and 4831 on hand and looked at the manuals just want to see what the fire has to recomend
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Joined: Jan 2007
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I have always used RL19 and it has been a great powder for both the 225 grain accubonds and more recently the 215 grain sierras. For some reason, RL 19 seems to work in most 338WM's.
Experience is something you get, just after you needed it.
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It's my favorite cartridge. RL22 is the powder I go to in order to check accuracy and get the best velocity. It's a bit temperature sensitive for me and most of the other rifles I've owned in that chambering have also liked H4831 which is also temperature tolerant. N160 has also worked in a few. The standard for me is RL22 followed by H4831.
Used to be bobski, member since '01
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I started with your H4350 and never left. Something around68-72 w/225 aframe is my best.
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i recently picked up a tang safety ruger in 338 win mag and havent loaded for it yet. ill be using 225 and 250 grainers in it and would like some powder recomendations, load experiances, etc. i have 4350, rel 22-19 and 4831 on hand and looked at the manuals just want to see what the fire has to recomend I would recommend H 4350 as the single best powder I haev tried. .338 Winchester Magnum Bullet Load Powder O. A. L. Velocity Energy Comments 175gn Barnes X 76gn H 4350 3098 200gn Hornady 59gn H 4895 2766 REDUCED LOAD 200gn Nosler BT 65gn Varget 3.442" 2949 66gn Varget 3.367" 2996 70gn 760 2888 71gn 760 2945 72gn 760 3021 74gn H 4350 3007 75gn H 4350 3.439" 3079 .8" Best load 76gn H 4350 3100 200gn Barnes X 58.6gn Varget 2672 Mild 210gn Partition 69gn 760 2956 70gn H 4350 2844 71gn H 4350 2881 72gn H 4350 2965 65gn Varget 2881 225gn Speer BT 65gn Rel 15 2707 67gn Rel 15 2812 69gn Rel 15 2934 4302 Warm Load 70gn Varget 2953 4358 71gn Varget 2980 4438 71gn H 4350 2817 .9" 5 shot groups. 73gn H 4350 2861 4091 225gn Partition 74gn WMR 2724 64gn Varget 2541 66gn H 4350 2656 67gn H 4350 3.371" 2666 68gn H 4350 2849 67gn 760 2700 68gn 760 2752 225gn Barnes X 73gn H 4350 3.313" 2862 74gn H 4350 2879 250gn Grand Slam 72gn WMR 2633 73gn WMR 2645 250 gn Partition 63gn Varget 3.309" 2699 64gn Varget 2724 66gn 760 2686 67gn 760 2697 68gn H 4350 3.390" 2675 .3" Best Accuracy 69gn H 4350 2698 71gn WMR 2621 Bullet Load Powder O. A. L. Velocity Energy Comments 250gn Partition Federal Factory 2550 3611 .5" Very Accurate but slow 250gn Jensen 69gn H 4350 3.417" 2693 MOA Load 250gn Woodleigh 70gn H 4350 2647 71gn H 4350 2679 72gn H 4350 2736 250gn Sierra BT 73gn Rel 19 2529 .9" 3 shot groups 250gn Hornady 68gn IMR 4350 2708 275gn Speer 63gn Varget 3.278" 2572 64gn Varget 2590 66gn 760 2504 67gn 760 2574 68gn H 4350 2538 69gn H 4350 2585 70gn WMR 2479 72gn WMR 2594 4110 JW
When truth is ignored, it does not change an untruth from remaining a lie.
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My " go to" load for my .338 mag. is 73 gr. of Rldr-22 and a 225 gr. NorthFork. This combo gives me right at 2800 fps and smacks moose now!
I suppose I could go a few more grains of powder but why? Accuracy is quite acceptable at around 1" at 100 yds. As to velocity changes in colder temps, I dunno since I've never tested for it and it doesn't really mean much to me.
Bear in Fairbanks
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Joined: Sep 2009
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OP
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thanks guys! this is exactly what i am looking for. now i cain't wait until my brass and bullets come in. thanks again for the info to ponder on until time to bust some caps.
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Joined: Sep 2006
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Campfire Ranger
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Campfire Ranger
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It's my favorite cartridge. RL22 is the powder I go to in order to check accuracy and get the best velocity. It's a bit temperature sensitive for me and most of the other rifles I've owned in that chambering have also liked H4831 which is also temperature tolerant. N160 has also worked in a few. The standard for me is RL22 followed by H4831. One of my favorites, too, & RL22 is my powder for 250's. 225 work equally well with either '22 or 19, & for the 200/210's I like '19 a bit better than '22. MM
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My 338 likes a heavy charge of R19 with 225 grain bullets
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Campfire 'Bwana
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Campfire 'Bwana
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RL-19 is what I use. jorge
A good principle to guide me through life: “This is all I have come to expect, standard lackluster performance. Trust nothing, believe no one and realize it will only get worse…”
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You did not mention what you will be hunting, but I had been working on 338 loads for a trip to Africa. I tried a lot of different bullets and powders and came up with RL19 behind a Barnes 210Gr TSX-BT. I had decided to take only one rifle for plains game animals and couldn't have been more pleased with the results.
I killed 10 animals from Impala to Wildebeest to Kudu and every shot was thru and thru. I actually wanted to recover some bullets, but never could. In that part of Africa, if you draw blood, you bought it. Very pleased to say that I did not hit anything that we could not recover.
The RL19 with Barnes 210Gr TSX-BT proved to be very accurate and effective and made a believer out of me.
Life Member...Safari Club International
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Campfire 'Bwana
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I use older data with 4350 if I want max velocity out of one..
however I find with most applications..4064, RL15 etc.. give me what I need..
that considered, I'd try RL 17 over 19 and 22..the later two I think are a hair too slow for the 338 Mag..
"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC
“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez
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Current load is 225 Grain Interbond or SST over 70 grains of H4350 for near on 2900 fps. Recently tried Rel19 just to see what all the fuss was about, accuracy is at least as good and probably better with the Rel19.
Last edited by osix; 06/11/10.
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Joined: Jun 2003
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Campfire 'Bwana
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Campfire 'Bwana
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You did not mention what you will be hunting, but I had been working on 338 loads for a trip to Africa. I tried a lot of different bullets and powders and came up with RL19 behind a Barnes 210Gr TSX-BT. I had decided to take only one rifle for plains game animals and couldn't have been more pleased with the results.
I killed 10 animals from Impala to Wildebeest to Kudu and every shot was thru and thru. I actually wanted to recover some bullets, but never could. In that part of Africa, if you draw blood, you bought it. Very pleased to say that I did not hit anything that we could not recover.
The RL19 with Barnes 210Gr TSX-BT proved to be very accurate and effective and made a believer out of me.
Don that is the exact load (73gr RL-19 Fed 210 primers 2930fps) I plan to use on my next trip over there, thanks! I even plan to use it on leopard. jorge
A good principle to guide me through life: “This is all I have come to expect, standard lackluster performance. Trust nothing, believe no one and realize it will only get worse…”
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My favorite, in five .338s over the last 30 years is 73 gr/IMR 4350/Fed 215/Nosler 210 gr Partition. Have not shot Africa, but this one won't stay in an elk.
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Campfire Outfitter
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jorge,
The only difference I see is that I used 72.0 Gr of RL-19 and GM 215 Federal primers. (P.S. I was shooting a Custom Remington
Model 700, for whatever that is worth.)
Don
Life Member...Safari Club International
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With mention of not wishing to hijack this thread, my curiosity, is winning....
Why do H1000 and Retumbo not get mentioned more often, it seems their burn-rate would be a good constant filled-case match? If I may ask?
Clinging to my God, and my guns!
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Campfire 'Bwana
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Campfire 'Bwana
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Don, for years I used 215s with that load then a friend of mine who is a big time reloader told me the engineers at Federal said to try the 210s. Believe it or not the groups tightened up consistenly with no loss in velocity. Try it! jorge
A good principle to guide me through life: “This is all I have come to expect, standard lackluster performance. Trust nothing, believe no one and realize it will only get worse…”
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Campfire Ranger
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Campfire Ranger
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Why do H1000 and Retumbo not get mentioned more often, it seems their burn-rate would be a good constant filled-case match? If I may ask?
IME, they are both a bit too slow in this case for optimum results........... MM
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