5.7x28mm Side Cocking Upper with Scope Mount & Side Charger; 4 1/2” 1/2X28 Threaded Barrel

PLEASE ALLOW 4-6 WEEKS FOR SHIPMENT ON THIS ITEM

MPA5723

5.7x28mm Side Cocking Full Size Upper with 4 1/2”  Threaded Barrel  (1/2 X 28) and Scope Mount