TSG MICRO UPPER 300 BLACKOUT

This MICRO AR15 upper receiver assembled for you just add a bcg and charging handle and your ready to attach to your  (BCG AND CHARGING HANDLE NOT INCLUDED) Mil-Spec lower receiver. The receiver is a flat top M4 forged Mil-Spec upper receiver that is CNC Machined from 7075-T6 aluminum -  the hardest and most durable material of any upper. The MICRO 5” 300 BLK barrel is manufactured with 4150 Chrome Moly steel and has a 1:5 twist rate & MICRO gas system. This upper assembly features a standard A2 flash hider that effectively suppresses muzzle flash. Barrel: 5" 300 BLK