THE SMART TRICK OF COLT 20IN UPPER THAT NOBODY IS DISCUSSING

Distinctive immediate gas functioning procedure eradicates the standard working rod and brings about less and lighter components  This can be a new upper receiver group, taken off an entire Colt rifle.  Ships in navy quality plastic with Colt oil about the barrel and receiver and BCG, in non-manufacturing unit box.  one hundred% all Colt, factor