SIG SAUER SIGM400 Enhanced OD Rifle – .300 AAC Blackout, 16″ Barrel, Olive Drab
The SIG SAUER SIGM400 Enhanced OD is a premium semi-automatic rifle chambered in .300 AAC Blackout, built on the proven AR-15 platform and engineered for dependable performance, accuracy, and versatility. Featuring a 16-inch barrel and a direct impingement gas system, the SIGM400 delivers smooth operation and consistent reliability for recreational shooting, hunting where permitted, and other lawful sporting applications. (Wikipedia)
Finished in an attractive Olive Drab (OD) Cerakote, the rifle is equipped with a lightweight free-floating M-LOK® handguard that enhances accuracy while providing ample mounting space for compatible accessories. A 6-position adjustable stock, enhanced pistol grip, and single-stage enhanced trigger offer improved comfort and control. The flat-top receiver with a full-length Picatinny rail allows easy installation of optics or backup sights to suit individual preferences. (Sig Sauer)
Designed to accept standard AR-pattern magazines and accessories, the SIGM400 Enhanced combines modern ergonomics with SIG SAUER’s reputation for quality manufacturing, making it an excellent choice for shooters seeking a reliable and adaptable modern sporting rifle. (Wikipedia)
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SIG SAUER |
| Model | SIGM400 Enhanced OD |
| Caliber | .300 AAC Blackout |
| Action | Semi-Automatic |
| Operating System | Direct Impingement |
| Barrel Length | 16 inches |
| Barrel Material | Steel |
| Twist Rate | 1:7″ |
| Capacity | 30+1 Rounds (where permitted) |
| Magazine | 1 × 30-Round Magazine |
| Finish | Olive Drab (OD) Cerakote |
| Handguard | Free-Floating M-LOK® |
| Stock | 6-Position Adjustable |
| Grip | SIG Enhanced Pistol Grip |
| Trigger | Enhanced Single-Stage |
| Receiver | Aluminum |
| Optics Mount | Full-Length Picatinny Rail |
| Muzzle Thread | 5/8×24 |
| Overall Length | Approximately 35.5–39 inches (stock adjustable) |
| Weight | Approximately 6.8–7.2 lbs |
Key Features
- Chambered in .300 AAC Blackout
- 16-inch barrel with 1:7 twist
- Proven direct impingement operating system
- Durable Olive Drab Cerakote finish
- Lightweight free-floating M-LOK® handguard
- Enhanced single-stage trigger
- Adjustable 6-position stock
- Full-length Picatinny rail for optics
- Standard AR-pattern magazine compatibility
- Includes 30-round magazine where legally permitted
- Designed for reliable performance, accuracy, and modular customization. (Wikipedia)
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