The Colt M45A1 Marine 1911 (O1070M45) in 45 ACP brings the official USMC service pistol to the civilian market with authentic military specifications and proven combat reliability. This full-size 1911 delivers the power, accuracy, and durability that earned it selection by the Marine Corps for Force Reconnaissance and special operations units.
Key Features
- Manufacturer Part Number: O1070M45
- Caliber: 45 ACP
- Capacity: 7+1 rounds
- Barrel Length: 5 inches, stainless steel National Match grade
- Slide: Brown Decobond finish over serrated stainless steel
- Frame: Brown Decobond finish over stainless steel with integrated Picatinny rail
- Grip: Desert tan G10 grips with aggressive texturing
- Controls: Ambidextrous thumb safety
- Action: Single action with crisp trigger break
- Sights: Novak night sights for low-light visibility
Special Features
- National Match barrel provides enhanced accuracy over standard 1911 barrels
- Brown Decobond Ion Bond coating offers extreme durability and corrosion resistance in harsh environments
- Dual recoil spring system extends service life and improves cycling reliability
- Integrated Picatinny rail accepts weapon lights and laser aiming devices
- Desert tan G10 grips are impervious to moisture, oils, and solvents while providing secure purchase
- Ambidextrous thumb safety allows operation by shooters of either hand dominance
- Upswept beavertail grip safety protects shooter's hand and enables high grip position
- Novak night sights feature tritium inserts for target acquisition in any lighting condition
- Undercut trigger guard allows deeper grip and better control
- Wide front and rear slide serrations enable positive manipulation with wet or gloved hands
Practical Benefits
- Military specification construction ensures this pistol meets the demanding standards of Marine Corps service
- 5 inch National Match barrel delivers accuracy suitable for precision shooting and competition
- 45 ACP chambering provides substantial stopping power for personal defense and duty applications
- Stainless steel construction with Decobond finish stands up to coastal environments, rain, and extended field use
- Accessory rail enables mounting of tactical lights for home defense or low-light operations
- Ambidextrous controls make the M45A1 accessible for all shooters without modification
- G10 grips maintain their texture and shape regardless of weather, sweat, or chemical exposure
- Night sights ensure target visibility from dawn to dusk and in structures without lighting
- Single action trigger provides consistent, controllable shot placement for experienced 1911 shooters
- Full-size frame and 7+1 capacity deliver the classic 1911 manual of arms with modern enhancements
The Colt M45A1 Marine 1911 45 ACP (O1070M45) is a proven platform for shooters seeking authentic military heritage combined with enhanced features for defense, range training, and competition use.
| MANUFACTURER | COLT |
| MODEL | GOVERNMENT MODEL |
| CALIBER | 45 ACP |
| TYPE | PISTOL |