Anderson Mfg AM-15 .300 Blackout Rifle is a lightweight, durable rifle to suite a variety of missions or applications. The rifle features a 16” 4140 chromemoly steel M4 profile barrel with a 1-8 twist & chambered in .300 Blackout. 7075 forged upper & lower receivers provide a durable host for the M16 Bolt Carrier Group & Mil-Spec buffer tube assembly. Rifle includes standard M4 polymer furniture, which includes a six position buttstock. A2 flash hider provides excellent flash reduction. Flat top upper receiver is ready for optics installation. Total weight of 6.2 lbs.