The CMMG Resolute MK4 Upper (No BCG/Charging Handle) - .223/5.56 is an upper receiver for AR-15.
Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered, this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice.
Specifications
- Brand: CMMG
- Fits: AR-15
- Caliber: .223/5.56
- Manufacturer Part #: 55BB40BAB
- UPC: 810103473461
