The 2-Minute Rule for Buy Rock River Arms LAR-15 CAR A4 Flat Top AR-15 5.56/223 Online
Muzzle velocity varies substantially cartridge to cartridge. That’s why our chart, which assumes a two,800 fps muzzle velocity over the board, is just not a definitive guide to 308 barrel twists. However it does offer a strong notion of what you should be capturing for!
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