Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard. 5in 5.56 NATO Upper Receiver is engineered for shooters seeking lightweight performance without compromising strength. The barrel significantly reduces weight while maintaining excellent thermal stability and accuracy. Its 7075-T6 billet upper receiver incorporates a thermal-fit barrel seat to improve rigidity and minimize point-of-impact shift. The ArmorLube Carbo