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CMMG
The CMMG Resolute MkG in .45 ACP is a modern carbine built for shooters who want rifle ballistics and durability without the bulk of a full-size platform. Chambered in the proven .45 ACP—a round with over a century of field-tested performance—this 16.1-inch rifle strikes the balance between maneuverability and range that submachine gun-caliber carbines are designed to deliver. It feeds reliable Glock-pattern .45 ACP magazines and leverages CMMG's proprietary fixed-ejector radial delayed blowback system, an evolution that brings precision engineering to a compact action.
The Resolute MkG comes outfitted with CMMG's ZEROED line of parts and accessories, meaning you're getting a cohesive rifle ready to work out of the box. The EML15 M-LOK handguard strips away unnecessary weight while keeping mounting real estate where it counts—at 3, 6, 9, and 12 o'clock positions—so you can attach optics, lights, and grips without over-building. The 6061-T6 aluminum upper and 7075-T6 forged lower receiver keep things light at 6.0 pounds, and the 32.5-inch overall length makes it equally at home in a truck, on a range, or in a hunting scenario where a pistol-caliber carbine makes sense.
Build quality shows throughout: a 4140CM SBN barrel with 1:16 twist, ZEROED muzzle brake at 0.578 x 28 threads, ambidextrous charging handle and safety selector, RipStock, and a drop-in ZEROED trigger. Cerakote Armor Black finish protects against the elements. This is a rifle for the shooter who respects .45 ACP's heritage but wants modern ergonomics and reliability.
| Caliber | .45 ACP |
| Platform | MkG |
| Barrel Length | 16.1 inches |
| Barrel Twist | 1:16 |
| Barrel Contour | MT |
| Barrel Material | 4140CM SBN |
| Operating System | Fixed-Ejector Radial Delayed Blowback |
| Muzzle Device | CMMG ZEROED Muzzle Brake |
| Muzzle Thread | 0.578 x 28 |
| Upper Receiver | Billet 6061-T6 Aluminum |
| Lower Receiver | MkG Forged 7075-T6 Aluminum |
| Handguard | CMMG EML15 M-LOK |
| Finish | Cerakote Standard (Armor Black) |
| Charging Handle | CMMG ZEROED Ambi |
| Pistol Grip | CMMG ZEROED Pistol Grip |
| Buffer Type | Carbine |
| Receiver Extension | CMMG 6-Position Fastback with Ambi Sling Plate |
| Stock/Brace | CMMG RipStock |
| Trigger | ZEROED Drop-In |
| Trigger Guard | Integrated |
| Safety Selector | CMMG ZEROED 60/90° |
| Magazine | Glock-pattern, 13-round capacity |
| Weight | 6.0 lbs |
| Overall Length | 32.5 inches |
The Resolute MkG is compatible with Glock-pattern .45 ACP magazines, which are readily available and commonly owned by shooters familiar with Glock pistols. The rifle comes set up for 13-round capacity magazines.
The Resolute MkG's 16.1-inch barrel and .45 ACP chambering deliver rifle-level ballistics and accuracy in a compact carbine platform. It's suited to shooters who want more performance and range than a pistol or submachine gun caliber carbine offers, whether for hunting, sport shooting, or home defense scenarios.
The Resolute MkG uses a fixed-ejector radial delayed blowback system, which is an evolution of CMMG's radial delayed blowback design. This operating system is more refined than straight blowback, providing better control and reliability in a compact action.
Yes. The EML15 M-LOK handguard includes mounting slots at the 3, 6, 9, and 12 o'clock positions, allowing you to attach lights, lasers, grips, and other M-LOK-compatible accessories. There is no full-length Picatinny rail on top, which helps keep weight down while preserving practical mounting real estate.
CMMG
The CMMG Resolute MkG in .45 ACP is a modern carbine built for shooters who want rifle ballistics and durability without the bulk of a full-size platform. Chambered in the proven .45 ACP—a round with over a century of field-tested performance—this 16.1-inch rifle strikes the balance between maneuverability and range that submachine gun-caliber carbines are designed to deliver. It feeds reliable Glock-pattern .45 ACP magazines and leverages CMMG's proprietary fixed-ejector radial delayed blowback system, an evolution that brings precision engineering to a compact action.
The Resolute MkG comes outfitted with CMMG's ZEROED line of parts and accessories, meaning you're getting a cohesive rifle ready to work out of the box. The EML15 M-LOK handguard strips away unnecessary weight while keeping mounting real estate where it counts—at 3, 6, 9, and 12 o'clock positions—so you can attach optics, lights, and grips without over-building. The 6061-T6 aluminum upper and 7075-T6 forged lower receiver keep things light at 6.0 pounds, and the 32.5-inch overall length makes it equally at home in a truck, on a range, or in a hunting scenario where a pistol-caliber carbine makes sense.
Build quality shows throughout: a 4140CM SBN barrel with 1:16 twist, ZEROED muzzle brake at 0.578 x 28 threads, ambidextrous charging handle and safety selector, RipStock, and a drop-in ZEROED trigger. Cerakote Armor Black finish protects against the elements. This is a rifle for the shooter who respects .45 ACP's heritage but wants modern ergonomics and reliability.
| Caliber | .45 ACP |
| Platform | MkG |
| Barrel Length | 16.1 inches |
| Barrel Twist | 1:16 |
| Barrel Contour | MT |
| Barrel Material | 4140CM SBN |
| Operating System | Fixed-Ejector Radial Delayed Blowback |
| Muzzle Device | CMMG ZEROED Muzzle Brake |
| Muzzle Thread | 0.578 x 28 |
| Upper Receiver | Billet 6061-T6 Aluminum |
| Lower Receiver | MkG Forged 7075-T6 Aluminum |
| Handguard | CMMG EML15 M-LOK |
| Finish | Cerakote Standard (Armor Black) |
| Charging Handle | CMMG ZEROED Ambi |
| Pistol Grip | CMMG ZEROED Pistol Grip |
| Buffer Type | Carbine |
| Receiver Extension | CMMG 6-Position Fastback with Ambi Sling Plate |
| Stock/Brace | CMMG RipStock |
| Trigger | ZEROED Drop-In |
| Trigger Guard | Integrated |
| Safety Selector | CMMG ZEROED 60/90° |
| Magazine | Glock-pattern, 13-round capacity |
| Weight | 6.0 lbs |
| Overall Length | 32.5 inches |
The Resolute MkG is compatible with Glock-pattern .45 ACP magazines, which are readily available and commonly owned by shooters familiar with Glock pistols. The rifle comes set up for 13-round capacity magazines.
The Resolute MkG's 16.1-inch barrel and .45 ACP chambering deliver rifle-level ballistics and accuracy in a compact carbine platform. It's suited to shooters who want more performance and range than a pistol or submachine gun caliber carbine offers, whether for hunting, sport shooting, or home defense scenarios.
The Resolute MkG uses a fixed-ejector radial delayed blowback system, which is an evolution of CMMG's radial delayed blowback design. This operating system is more refined than straight blowback, providing better control and reliability in a compact action.
Yes. The EML15 M-LOK handguard includes mounting slots at the 3, 6, 9, and 12 o'clock positions, allowing you to attach lights, lasers, grips, and other M-LOK-compatible accessories. There is no full-length Picatinny rail on top, which helps keep weight down while preserving practical mounting real estate.
