MVB AR 45 Complete Upper

Complete assembled, semi-auto, billet upper receiver with a 5.5a ^2 barrel, hand guard, hand stop, muzzel brake and our 45 "Dead Blow" bolt. Perfect platform for attaching to your existing AR-15 lower receiver. All aluminum parts are hardcoat anodized and all steel parts are nitrided for protection and wear resistance.Please check all local,state and federal laws regarding the assembly of the upper to an existing lower.Weight 2lb 9.4oz.