All Those are the one replica handguards which have minimal hex headed screws that hold the heat shields in place. The replica Colt handguards actually have rivets (just like the real factor) Keeping the warmth shields set up. He mentioned the barrel is often a Faxon nitrided barrel which is https://linkdirectory724.com/listings12987951/examine-this-report-on-colt-m16a1-for-sale