lets see, I have 2 PSA 7.5" kit guns, a CBC 6.5 grendel kit gun, a J&T 5.56, a Grendel hunter 6mm ARC, a Tromix 458 socom, a Olympic Arms 25 wssm, a RRA varmiter, and a verioforce tactic AR-10 6.5 creeed. have shot left handed for 50+ years, none of these have any LH mods done, I get along great with them.