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August 23, 2006, 08:25 PM | #1 |
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Powder used by marine snipers?
Anyone know what powder our military snipers use in 308 for 168gr and 175gr rnds?
Thanks.
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August 23, 2006, 10:30 PM | #2 |
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Yep.
It is non-canister.
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August 23, 2006, 11:11 PM | #3 |
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Yup. And it's painted a special tactical black color.
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August 23, 2006, 11:22 PM | #4 |
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Use whatever gives you the best accuracy. +/- 50 FPS does not mean anything downrange.
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August 24, 2006, 09:25 AM | #5 |
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In an episode on snipers from the History Channel, it showed a Marine assembling his rounds at the training base.
It appeared that he was using an IMR type powder, and I seem to recall a shelf with a LOT of different powder bottles on it. Given that each gun is an individual, I suspect that they try a number of powders in each gun to see what works best.
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August 24, 2006, 10:38 AM | #6 |
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The issue round is a M118LR. The reload uses the same materials, 175 grn SMK and RE-15 powder.
LP |
August 24, 2006, 01:42 PM | #7 |
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I would have guessed RE-15 or IMR4041 if it's a canister propellant. Those seem to be in the middle of 308 efficiency with 165 - 180 grain bullets. -tINY |
August 24, 2006, 05:43 PM | #8 |
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Dave Reed and Mark J. Miller co- authored an article in which powder preferences were mentioned. I believe you can read a copy on http://www.snipercountry.com/Articles.htm They liked IMR 4350 as a good all round powder.
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August 25, 2006, 02:34 AM | #9 | |
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Quote:
I have heard, however, that IMR4064 was used at one time for the military match/sniper rounds, as well as IMR 4895. And, L. Puckett is spot on. Reloaded rounds are used for competition--the issue round is Cartridge, Special Ball, 7.62x51 NATO, M118LR.
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August 25, 2006, 07:20 AM | #10 | |
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More likely 3031 - - -
Quote:
Johnny |
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August 25, 2006, 11:39 PM | #11 |
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I remember seeing some military marksmen loading ammo on the history channel. If you are talking about the same footage I saw they where loading .300 win mag for their compitition rifles.
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August 27, 2006, 05:15 AM | #12 |
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I use both 3031 and 4064 for 308.... I guess I combined them in my head. I was thinking 4064 as it tends to work better with heavier bullets in longer barrels. -tINY |
August 31, 2006, 02:16 AM | #13 |
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It used to be non cansister grade IMR 4895 in M852 (168 SMK)
It is non-canister grade RL15 M118LR (175 SMK), the change may be due to the fact that ATK under contract runs Lake City. |
September 1, 2006, 06:48 PM | #14 |
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use WW748
works great in the 7.62 NATO
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