jlvandersnick
Well-Known Member
Are your 223 ai throats longer than sammi?
I have a. Competition contour, 28 inch 7 twist that i'm wanting to shoot at least 75 gr bullets.
Any reason not to lenghten the throat?
I have a. Competition contour, 28 inch 7 twist that i'm wanting to shoot at least 75 gr bullets.
Any reason not to lenghten the throat?
