Mod. 12 BVSS 26in. bar. 1-9 twist likes 60gr. Berger HP match with 26.5 Varget, win. brass, win. SR prim. 1.908 oal to og. Neck sized, no crimp. Try that, it works for me. Just could never get happy with anything heavier. Will shoot 36gr. VGs, 52 gr. SBTs, 50gr. blitzkings but just wouldn't eat the heavier stuff. Quick