Originally Posted by Colin_Matchett


Here's a groundbreaking load (smile). 57 grains IMR 4350, 165 grain hornady BTSP, CCI 200 primers, RP brass, OAL 3.29 inches. 2600 FPS. 3 shot groups around 1 inch. Increasing to 58 grains runs around 2650 FPS with groups in the 1-1.25 inch range. Remington 7600 Carbine.




This is the exact same load I just shot in my Vanguard SubMOA, except brass was W-W. Shot a 1.16" 3 shot group.

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Last edited by boomer68; 10/07/10.