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Mfg Item #: 55AC72C
When modularity, affordability, and quality are all important, the Mk4 T is the rifle of choice. The Mk4 T introduces CMMG's RKM series of KeyMod free-float hand guards. It has a 16.1" nitrided 4140 CrMo steel barrel with a medium taper profile and A2 compensator, forged 7075-T6 AL M4 type upper with AR15-type lower, A2 pistol grip, and M4 buttstock with 6-pos mil-spec receiver extension.
| Oal | 32" |
|---|---|
| Hand | Right |
| Twist | 1:7" |
| Action | Semi-Automatic |
| Muzzle | A2 Compensator |
| Safety | Lever |
| Series | SBN |
| Sights | None, Optic Ready |
| Weight | 6.3 lbs |
| Caliber | 223 Remington/5.56 NATO |
| Trigger | Single-Stage |
| Capacity | 30+1 |
| Weight Range | 6.00 lbs to 6.99 lbs |
| Barrel Length | 16.1" |
| Receiver Material | 7075 T6 Aluminum |
| Stock Description | 6-Position Black |
| Barrel Description | 4140 Chrome Moly |
| Metal Finish Group | Blued/Black |
| Stock Finish Group | Synthetic |
| Barrel Length Range | 16.00" to 17.99" |