CMMG Resolute 300 MkG .45 ACP Gray Rifle
Caliber: .45 ACP · Capacity: 13+1
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Specifications
Action Semi-Automatic
Ambidextrous Safety Yes
Barrel Length 16.1 inches
Caliber / Gauge .45 ACP
Capacity 13+1
Finish Gray
Grip Safety No
Magazines Included 1
Manual Safety Yes
Optic Ready Yes
Overall Length 32.8 inches
Sights Standard Sights
Threaded Barrel Yes
Trigger Safety No
Weight 7.4 pounds
Description
Product Overview
The CMMG Resolute 300 MkG is a .45 ACP semiautomatic rifle designed around CMMG’s MkG operating system. It features a 16.1-inch barrel with a 1:16 twist rate, a gray finish, synthetic stock, and a Geissele SSA two-stage trigger for a consistent trigger pull. The rifle accepts 13-round magazines and has a 32.8-inch overall length. Its threaded barrel and optic-ready configuration support practical customization for range, training, and defensive applications.
Key Features
- .45 ACP chambering provides compatibility with common pistol-caliber ammunition
- Geissele SSA two-stage trigger supports a predictable, controlled trigger pull
- 16.1-inch barrel with a 1:16 twist rate balances handling and projectile stabilization
- 13+1 capacity provides useful onboard ammunition capacity
- Threaded 5/8x24 barrel supports compatible muzzle devices and accessories
- Optic-ready top rail allows installation of a compatible red dot sight or other aiming optic
The CMMG Resolute 300 MkG combines pistol-caliber operation with rifle ergonomics and a configurable platform for range and defensive use.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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- SKU:
- 45AE550SG
- UPC:
- ODF##415006296
- BUDS ID:
- 415006296
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345Similar Products
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Ambidextrous Safety | Yes | Yes | Yes | Yes | Yes |
| Barrel Length (in.) | 16.1 | 16.0 | 16.0 | 16.0 | 16.0 |
| Caliber / Gauge | .45 ACP | .45 ACP | .45 ACP | .45 ACP | .45 ACP |
| Capacity | 13 | 13 | 10 | 10 | 13 |
| Finish | Gray | Black | Blue/Black | Cerakote Ironwood Delta | Flat Dark Earth |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 32.8 | 35.25 | 35.75 | 35.25 | 35.25 |
| Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights | Standard Sights |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 7.4 | 8.0 | 8.6 | 8.9 | 8.8 |
| Trigger Safety | No | Yes | No | Yes | Yes |
| Actions | Current Item |



