The LWRC SMG Pistol features: A short recoil/delayed blowback operating system, 8.5” cold hammer-forged chromoly steel barrel, US-manufactured UMP magazines; ships with two 25-round mags, LWRCI™ AR Pistol end cap w/QD Mount, Magpul® MBUS Pro sights, reversible, nonreciprocating, folding charging handle, and paddle style mag release for easy load and mag change.