2nd was as a means of supporting offensive troops. Even though the extremely effective kill zone was at A selection of around 500m the gun could fireplace more. As being the war progressed the Machine Guns to the Western Front turned used as Element of the creeping barrage tactic. By https://machguns.com/product/lot-1447-u-s-auto-ordnance-1928a1-class-iii-nfa-cr-fully-transferable/