Constructed of advanced aluminum and steel alloys and protected with hard-coat anodizing, ferritic nitrocarburization, and nickel-boron surface treatments, the SMG is built to last. Features on the SMG include a signature fully-ambidextrous lower receiver with AR-style controls for the safety and bolt catch/release, a paddle magazine release, the LWRCI™ Ultra Combat Grip™, and an LWRCI™ Enhanced Fire Control Group™. The upper includes an 8.5” cold- hammer-forged CrMoV steel barrel, LWRCI’s familiar Modular Rail System with LWRCI™ Rail Panels and Hand Stop installed at 3/6/9 o’clock, Magpul MBUS Pro sights, and more. The launch configuration for the SMG-45 is a pistol equipped with the SB Tactical SBTi folding subgun brace. The SMG-45 ships with two 25-round magazines.