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CMMG

CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

Product Code : 810103473508

$442.99

Mfg Item #: 55BB40BMB

Available Online
Secure online ordering

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.

SeriesMK4
Caliber5.56x45mm NATO
HandguardsM-LOK Free-Float
Barrel Length16.10"
Handguard FinishMidnight Bronze
Barrel Length Range16" to 16.99"

Determined at checkout.