Velocity: unique shells feature different velocities. A lot more velocity usually means the shot should be propelled more quickly, which typically usually means more recoil. MGL Chapter a hundred and forty stated: “Massive capability weapon”, any firearm, rifle or shotgun: (i) that's semiautomatic with a hard and fast big capability https://highimpactrounds.com/product/mossberg-590a1-spx-12-ga-20in-8rd/