Need a high quality stripped upper receiver without being overpriced? Then look no further. The CMMG Mk4 stripped upper receiver is everything you would expect from a Mil-Spec part. The upper is forged 7075-T6 Aluminum and features M4 feed ramps and a type III hard anodized finish. The upper readily accepts any standard AR-15 barrel and barrel nut. Furthermore, the upper features a picatinny rail top for mounting sights and optics.
Features and Specifications:
Manufacturer Number: 55BA142
Mil-Spec M4 Style Upper Receiver
Forged 7075-T6 Aluminum
Type III Hard Anodized finish
M4 Feed Ramps
Any standard AR-15 barrel and barrel nut