Armory Sponsor
Posted: 10/21/2009 9:26:00 PM EDT
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From 20" to say 24" barrel what would be the difference in velocity of Ball ammo?
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From info once posted on anzioironworks.com: For 700 grain US Military ammo
MIN––MAX 17"––2236fps________________30"___2674-2677fps 18___2261-2271_____________31____2692-2698 19___2286-2306_____________32____2710-2719 20___2311-2341_____________33____2728-2740 21___2336-2376_____________34____2746-2761 22___2361-2411_____________35____2764-2782 23___2386-2446_____________36____2782-2803 24___2411-2481_____________37____2800-2824 25___2436-2516_____________38____2818-2845 26___2461-2551_____________39____2836-2866 27___2486-2586_____________40____2876 28___2511-2621__________The article said you"d gain approximately 18-21fps for every inch over 29" then drop in velocity after 40" 29___2536-2656 |
Armory Sponsor