Storm 9mm carbine has minor recoil and is not hard to configure for left or correct hand ejection. Considered one of my good friends has an report about this coming up, I'll website link it after ready. The small-stroke piston over the underside in the M1 Carbine’s barrel. Tyler Freel https://american-tactical-omni-hy05038.wikidank.com/1439460/5_easy_facts_about_semi_auto_rifle_7_62x39mm_mil_spec_described