The LA-SF15 DMR.223/5.56Semi 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 DragonA(R) Muzzle Brake for maximum control.The DMR Rifle comes with a 18'' 1:7Twist Barrel and .223 Wylde Chamber threads are 1/2-28TPI with an 11Adeg target crown.The rifle features a Riflegas system for smooth reduced recoil performance.