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New powders for more speed

 
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  #1  
Old 01-10-2010, 09:19 PM
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New powders for more speed

I'm getting a new AR upper in .223A.I. and am wanting to know if any of you have tried any of the newer powders? Even the not so new ! What I'm looking for is accuracy and speed with 55gr. bullets in a 26" barrel with 1/14 twist. I know Accurate had a blend that would give 3650 fps in a rig like this; but they changed something and it won't do it now. It was very accurate too. I'm thinking TAC, Benchmark or 10X may work;but I sure would like to hear from anyone who has achieved 3600fps accurately with a like barrel set up. Anyone ? What was your load and results? Have you had success with 60s?
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Old 01-12-2010, 03:35 PM
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Re: New powders for more speed

Have no experience with the 223 or 223 AI but I think RL17 would be worth trying. It gives excellent sometimes incredible velocites in a wide range of calibers. Boosted my 25-06 velocities by 200 fps.

Cheers,

Mark
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Old 01-12-2010, 05:18 PM
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Re: New powders for more speed

Thanks Mark, I have been looking at RL 17; it's a fairly new powder. Are the sticks really short ? I haven't seen anything about that. Trying to get a balance of case capacity and burn rate for the AR platform is tricky ! The search continues but I'll put RL 17 in the mix. Thanks!
Charles
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Old 01-12-2010, 05:23 PM
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Re: New powders for more speed

I would not sat the sticks were very short. Hope it works well for you.

Mark
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Old 01-12-2010, 09:58 PM
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Re: New powders for more speed

New 8028 is really smoking in the 223 according to the tests and it is in the new 2010 Hodgen manual.

BH
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Old 01-13-2010, 09:05 AM
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Re: New powders for more speed

Just be reminded that those bolt rifle high pressure loads will beat the crap out of an AR over time.
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Old 01-13-2010, 10:04 PM
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Re: New powders for more speed

Thanks, guys, I appreciate the help. I just got home from a "boys day out" where three of us went gun shop smozzing. Two of us found a gun apiece they had been looking for for years. I found two boxes (200) sm. rifle primers. Yipee. One shop "had" the new 8028 but of course, out now. My luck. Oh, and I'm sure my upper builder will admonish me about fast powders in the AR ! Funny think though, 10X did work fine; except it is temp. sensitive so I'm probably going to stay with 2460 in the 20 TAC. I'm kinda wondering why that wouldn't work in the 223AI. Again, I thank you ! Charles
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