CMMG Resolute 300 MkG .45 ACP FDE/Tan 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 FDE/Tan
Grip Safety No
Magazines Included 1
Manual Safety Yes
Optic Ready Yes
Overall Length 32.8 inches
Threaded Barrel Yes
Trigger Safety No
Weight 6 pounds
Description
Product Overview
The CMMG Resolute 300 MkG is a .45 ACP semiautomatic rifle built around forged 7075-T6 aluminum receivers and designed to use widely available large-frame Glock-style magazines. Its 16.1-inch 4140 chrome moly steel barrel uses a 1:16 twist and features a .578x28 threaded muzzle with a CMMG SV muzzle brake. A Geissele SSA two-stage trigger provides a refined trigger pull, while the CMMG RML15 M-LOK aluminum handguard offers flexible accessory mounting. The rifle also includes an ambidextrous safety selector, oversized ambidextrous charging handle, six-position CMMG RipStock, and Magpul MOE pistol grip. The FDE/Tan finish, compact 32.8-inch minimum overall length, and 6-pound 8-ounce weight make it well suited to range use, recreational shooting, and home-defense applications.
Key Features
- .45 ACP semiautomatic AR-pattern rifle with 13+1 capacity
- 16.1-inch 4140 chrome moly barrel with a 1:16 twist
- Threaded .578x28 muzzle with CMMG SV muzzle brake
- Geissele SSA two-stage trigger for a consistent trigger press
- RML15 M-LOK aluminum handguard for flexible accessory mounting
- Six-position collapsible RipStock for adjustable length of pull and compact storage
The CMMG Resolute 300 MkG combines .45 ACP performance, practical controls, and adaptable AR-style ergonomics in a compact rifle configuration.
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:
- 45AE550BB
- UPC:
- 816422024360
- BUDS ID:
- 415006295
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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 | 10 | 10 | 10 | 13 |
| Finish | FDE/Tan | Blue/Black | Cerakote | Arctic Delta Cerakote | Black |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 32.8 | 35.37 | 36.38 | 34.9 | 35.25 |
| Weight (lbs) | 6.0 | 7.7 | 8.7 | 7.7 | 8.0 |
| Sights | N/A | Standard Sights | Standard Sights | Standard Sights | Standard Sights |
| Threaded Barrel | Yes | Yes | No | Yes | Yes |
| Trigger Safety | No | No | No | No | Yes |
| Actions | Current Item |



