Introducing the LWRCI™ SMG .45 Pistol, a revolutionary firearm that combines the power of a submachine gun with the convenience of a pistol. This highly anticipated model is built on an AR platform with innovative features and high-performance characteristics you expect from LWRCI™. The SMG .45 Pistol is designed on our proprietary Short Recoil/Delayed Blowback operating system, making it lightweight (5.2 lbs) and compact (folding to a mere 15.3\"). The SMG .45 Pistol features an 8.5\" Cold Hammer Forged Chromoly Steel Barrel, LWRCI™ user-configurable rail system with strategically placed Picatinny segments, LWRCI™ Rail Panels at 3,6 and 9 with hand stop, LWRCI™ Fully ambidextrous lower controls, LWRCI™ Ultra Combat Grip™, New and Improved Advanced Fire Control Group, Magpul® MBUS Pro Sights and more. Constructed using high-performance aluminum and steel materials with premium hard coat anodized nitride nickel boron surface treatments throughout, the SMG .45 is built to last.\r\n\r\nTechnical Specifications:\r\n\r\nCaliber: .45 ACP\r\nBarrel: 8.5\" Cold Hammer Forged Chromoly Steel Barrel\r\nWeight: 5.9 lbs\r\nLength: 15.25\"\r\nMuzzle Threads: .578-28 RH\r\nRifling: 1:16 RH | 6 Grooves