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Old January 4, 2013, 05:37 PM   #70
Bart B.
Senior Member
Join Date: February 15, 2009
Posts: 4,378
Erno86, having worn out 3.5 30 caliber magnum barrels and each one's had 60% of the rounds through them fired using a scope, I can clearly see the outside edges of the recicule twist as the round fires. Isn't very much, but it can be seen with 13+ pounds of rifle and scope after firing a 200 grain bullet out at 2950 fps.

That torque coupled with the reward recoil that causes the muzzle to rise all contribute and the whole rifle moving about a bit while the bullet's going down the barrel is what makes magnums harder to shoot accurately off the shoulder.
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