Mitchell Defense DOC 10.3in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard 422111. 3in CHF 5.56 NATO Upper Receiver is engineered for duty-grade reliability with a 7075-T6 billet upper and...
Mitchell Defense DOC 10.3in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard 422111. 3in CHF 5.56 NATO Upper Receiver is engineered for duty-grade reliability with a 7075-T6 billet upper and...