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Mfg Item #: 30B129A
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.
| Length | 32 (stock collapsed) |
|---|---|
| Weight | 6.3 lbs (unloaded) |
| Caliber | 300 Blackout |
| Trigger | Single stage mil |