Purchasers of firearms must be at least 18 years of age, and if the firearm is other than a rifle or shotgun (including frames/receivers, silencers, and pistol grip smooth bore firearms), purchasers must be at least 21 years of age. It is the responsibility of the customer to ensure products they order are legal in their local jurisdictions. See our guide for Purchasing Firearms Online for more information.
Delivering a heavyhitting .30 caliber round on target .300 BLK was originally designed around being a subsonic round for use in shorter barrel suppressed rifles. Additionally .300 BLK set out to utilize as many M4AR15 parts and ammo components as possible. Great for home defense and suppressed use in subsonic loadings. Built on the Mk4 AR15 platform. Features EML handguard full length MLOK slots on both sides and the bottom of the handguard as well as MLOK between the top picatinny rail sections ZEROED parts including: pistol grip dropin trigger 6090 degree ambi safety ambi mag catch extended mag release button muzzle brake AR15 bolt catch polymer dust cover and ambi charging handle. Includes Magpul 30rd PMAG.
Brand | CMMG |
Category | Tactical Rifles |
Series | MK4 |
Model | Resolute |
Caliber | 300 Blackout |
Barrel Length Range | 14" to 14.99" |
Gun Platform | AR-Style |
Operating System | Direct Impingement |
Stock Finish Group | Black |
Capacity | 30+1 |
Stock Material | Synthetic |
Action | Semi-Auto |
OAL | 30.90" |
Sights | None |
Barrel Finish | Black Nitride |
Barrel Material | Chrome Moly Steel |
Muzzle | CMMG Zeroed Muzzle Brake |
Twist | 1:7" |
Receiver Description | Picatinny Rail |
Grips | CMMG Zeroed |
Handguards | EML 15" M-LOK |
Includes | Magazine |
Receiver Material | Aluminum |
Safety | CMMG Zeroed 60 / 90 Degree |
Thread Pattern | 5 / 8"x24 |
Stock Description | CMMG 6 Position RipStock |
Barrel Description | Medium Taper Threaded |
Barrel Length | 14.50" |
Max Capacity | 30 |
Receiver Finish | Black Armor Cerakote |
Trigger | Zeroed Drop-In Single Stage |
Weight | 6 lbs |
Stock Finish | Black |
Handguard Finish | Black Armor Cerakote |
- Caliber:
- 300 Blackout