The LA-SF15 DMR .223/5.56 Semi Auto Rifle is manufactured to the highest quality standards and assembled by a skilled team of rifle builders. Each rifle is shot tested at our facility and comes with a lifetime warranty against defects. With a massive specification out of the box the LA-SF15 delivers exceptional performance and is ready to go without any modifications or upgrades. The LA-SF15 is manufactured using our enhanced forged receiver sets that feature an internally flared magwell to assist in 'high stress' reloading, a radiused cam pin recess and patented CP-R360 Domed Head Cam Pin fitted to our E-BCG, Enhanced Bolt Carrier Group that reduces wear and friction. The E-BCG also features enlarged and forward facing gas holes that vent gas away from the shooter and the Carriers flared tail enhances accuracy. Each rifle features our patented Dragon® Muzzle Brake for maximum control. The DMR Rifle comes with a 18'' 1:7 Twist Barrel and .223 Wylde Chamber, threads are 1/2-28TPI with an 11° target crown. The rifle features a Rifle gas system for smooth reduced recoil performance. Lantac LA-SF15 .223 Wylde DMR 18" Bbl Rifle w/ Rifle Gas System 01-FA-223-DMR