CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10″, Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)
October 9, 2025
CMMG 35B5FBCAB Resolute MK4 350 Legend 16.10″, Armor Black, M-LOK Free-Float Handguard for AR-Platform
October 9, 2025
CMMG 30BC40AMB Resolute MK4 300 Blackout 16.10″, Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)
$511.95
CMMG 30BC40AMB Resolute MK4 300 Blackout 16.10″, Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)
5 in stock
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.
| UPC | 810103473430 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 30BC40AMB |
| Barrel Length | 16.10" |
| Caliber/Gauge | .300 AAC Blackout |