Built on the Mk4 platform, this BANSHEE AR15 lower receiver group will work with any standard AR15 pattern upper group as well as all of CMMG’s conversion magazines (w/ matching upper group). Features EML handguards, full length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top picatinny rail sections; ZEROED parts including: pistol grip, drop-in trigger, 60/90 degree ambi safety, linear compensator 5.56mm, ambi mag catch, extended mag release button, AR15- ambi charging handle, bolt catch and polymer duct cover. Includes 30rd Magpul magazine.