AR-15 Quick Change Upper Assembly and Barrel from TNW #ARUP-TNWM/4-A/3

This new AR style upper, Model SGP-QCB, allows the shooter to change the barrel and the incorporated gas piston system in seconds! This new design allows for easier cleaning, caliber changes, and various barrel lengths. Adapt from 10 to 24 in seconds. Multi caliber conversions available. This system is sold as a complete upper which comes with bolt, carrier, charging handle, and gas piston M-4 style barrel.