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CMMG

CMMG Mk4 T 300 Blackout 30B129A

Product Code : 815835015972

$611.99

Mfg Item #: 30B129A


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When modularity, affordability, and quality are all important the Mk4 T is the upper of choice. The Mk4 T introduces CMMG's RKM series of KeyMod free float hand guards. This upper sports an 11" RKM hand guard and a nitrided 4140 CrMo steel barrel in a medium taper profile.

TypeComplete Gas Impingement
Twist1:7"
Series300 Blackout
SightsNone, Optic Ready
Caliber300 AAC Blackout/Whisper (7.62x35mm)
HandguardsQuad Rail Keymod
Barrel FinishBlack
Barrel Length16"
Barrel Material4140 Steel
Handguard FinishBlack
Barrel DescriptionMedium Taper
Barrel Length Range16.00" to 17.99"
Receiver Description7075-T6 Aluminum M4

Determined at checkout.