Re: OBR's fluted chamber XRETARDN... What's the point?
My 18" 7.62 OBR has it. I shot the rifle 2 days ago and was holding less than an inch on my groups when I did my part at 100yds. I shot 155grn TAP, 168grn TAP, and 175grn FGMM. No issues from any of those. The brass had slight marks that...