I find that different powders have an impact on this. Lighter guns especially. I like 41 grains of R15 with a 140 SGK in my 7 lb rig. 4064 and Varget feel different. When I go to a 150 or heavier I us Reloder 17 and it doesn't kick at all compared to a 165 gr in 308 in an 8lb rifle.
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