DealSpecificationsPackage of 4 receivers5.45x39U.S. manufacturedMetal is unfinished (in the white)1050 carbon stamped steelThickness .048 thousandths (1.24mm)Both rails installed (left rail has ejector, main support post rail rivet installed)No holes for trunnion and buttstockThe ejector, trigger hole, and hammer hole are heat treated Manufactured by OOW from Centerfire Systems (Product REC-74-4PK) |