AR-15 Moriarti Duo TakeDown Pistol Upper Assembly | 5.56 Nato and 300 Blk Complete Combo
AR-15 Moriarti Duo TakeDown Pistol Upper Assembly | 5.56 Nato and 300 Blk Complete Combo allows for easy and convenient way to interchange calibers without actually detaching receivers. Compatible with virtually any Mil-Spec pistol AR-15 lowers, this TakeDown Duo saves time and money by getting two calibers in one set.
Duo set includes (barrel length can be modified to preference thru selections on top of page)-
Caliber Duo: AR-15 300 Blackout / AR-15 5.56 Nato
Operating System: Gas Impingement System – Semi-Automatic
Receiver: Moriarti A4 Type Flat Top Upper Receiver