450 BUSHMASTER COMPLETE BOLT MADE FROM 9310 MATERIAL PHOSPHATE FINISH FULLY ASSEMBLED AND READY TO DROP...

450 BUSHMASTER/APF  UPPER COMPLETE WITH FORWARD ASSIST AND EJECTION PORT COVER INSTALLED.

450 BUSHMASTER/APF  UPPER RECEIVER IS MACHINED FROM 7075 T6 ALUMINUM FORGING, HARD COAT ANODIZED, DRY FILM LUBE, AND "T" MARKINGS