bubbadad Well-Known Member Joined Nov 8, 2012 Messages 103 Location evansville, in Nov 9, 2012 #1 I just bought a barrel for my ar in 6x45 and it has a 1 in 12 twist,20"long. Am I limited to max of 85gr bullets?
I just bought a barrel for my ar in 6x45 and it has a 1 in 12 twist,20"long. Am I limited to max of 85gr bullets?
S SBruce Well-Known Member Joined Oct 31, 2009 Messages 1,785 Location Thunder Basin, WY Nov 9, 2012 #2 More than likely yes. But, the light bullets should shoot well.