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Location: The banana belt of MT
Joined: Wed Dec 30, 2015
Posts: 8584
Real Name: Brian
I found what my AR10 likes, 168 grain Hornady with 43 grains of IMR4064. Standard CCI large rifle primer.
Chrono'd them today, they are a little bit under for FPS.
I averaged 2594 fps with a 10 shot group. The Standard Deviation was 18 so is that a big SD for a gas gun? For bolt guns, I like to get that SD around 10-15 but unsure if its normal for a gas gun to have a higher SD?


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