KWA LM4 PTR GBBR

Features: Gas operated recoil blow back Realistic construction & field stripping Bolt catch, release Adjustable front and rear sights Removable carrying handle that exposes 1913 picatinny rail 6 position collapsible LE stock Comes with Carbine Handguard  Length 800-822mm Adjustable Weight 7.6lbs Inner Barrel 370mm Material Metal Magazine Capacity 40rd  Muzzle Velocity 335-360fps (0.20g bbs) Thread Direction 14mm CCW Gas Type Green Gas Fire Modes Semi/Full-Auto, Safety Manufacturer KWA Warranty 90 Day Limited (Manufacturer)   GREEN GAS NOT INCLUDED About: The KWA LM4 RIS Professional Training Rifle is an ATF approved gas blowback AR style rifle available in the United States.  It features the Type 3 hop up system that was developed for the LM4 to improve range performance on the field.  An aluminum alloy receiver houses the full steel reinforced bolt carrier for strong reliable feedback.  The LM4 RIS PTR buffer tube has the same diameter of a MilSpec Stoc