The gun is an MP-5 clone by Coharie Arms, model CA-89 9mm pistol with 8.5" barrel with the 3 lug adaptor and all HK internals. It is semi-automatic, has a collapsible stock, a Yankee Hill silencer, and an Eotech 512 Holographic scope. It is registered as an "SBR" short barreled rifle. The custom...