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.
CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10″, Armor Black, M-LOK
CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10″, Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)
UPC | 810103473461 |
---|---|
Manufacturer | CMMG |
Manufacturer Part Number | 55BB40BAB |
Barrel Length | 16.10" |
Caliber/Gauge | .223 REM/5.56 NATO |

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