6.5 SAUM, 27”, 8 twist, FDE cerakote, 5/8-24, spun by Ty Frehner/DMR Rifles. No neck turn, believe a standard GAP spec chamber. 460 rounds. Puts Hornady 140’s at 3050 FPS in the same hole and Berger 130’s at 3180 FPS, well under 1/2”. Tried a few other bullets as well; 143 ELDX, Nosler 140...