BenchMark for 223 - Varmints Den


 
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Old 03-27-2011, 06:12 PM
FrankF FrankF is offline
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The problem with the 223 is that it likes almost anything (powder/bullet) you put in. The good thing with the 223 is that it likes almost anything (powder/bullet) you put in it.

With that said, one of THEE very best powders for the 223 is indeed Benchmark. Especially with the 40 gr bullet at a screaming, chronographed 3774 fps from a 26" barrel in 70 degree temp. With even less recoil & muzzle jump. And dead nuts accuracy! This load is with 28.5grs & is our favorite coyote load in 2, 223's! (uh, what 204? lol)

My 223 did not care as much with the 50gr bullets, unlike one of my friend's rifle that does great with both bullet weights with Benchmark.

Another outstanding powder, at least in one 223 (but not mine) we tested is IMR 8208 XBR. We have not chrono'd this load yet, but believe it to be near, if not as good as Benchmark. One hole groups were common. 27 & 27.5 grs so far!

If all else fails, 23.5 grs of RL10X and the 50gr Nosler b.t. will give 3400 fps (in 26" barrel) & excellent accuracy. Alliant powders are heat sensitive however, & why I try & use Hodgdon's stuff.

BTW, IMR 8208 is absolutely awesome in the 22-250.

Regards
Frank
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