Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard 462111. 56 NATO Upper Receiver provides superior heat control and reduced system weight through its barrel...
Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard 462111. 56 NATO Upper Receiver provides superior heat control and reduced system weight through its barrel...