Mitchell Defense DOC 10.3in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Flat Dark Earth Finish Quad Rail Handguard 422212. 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 Flat Dark Earth Finish Quad Rail Handguard 422212. 3in CHF 5.56 NATO Upper Receiver is engineered for duty-grade reliability with a 7075-T6 billet upper and...