Overview
The SIGM400 SIG Sauer SIGM400 5.56 NATO rifle is configured with a 16 in barrel, Forge Elite Concrete finish, semi-automatic action, and a ROMEO-MSR Gen II optic. The platform includes a telescoping stock, AL M-LOK handguard, and includes one 30-round magazine.
Key Features
- Model: SIGM400
- Caliber: 5.56 NATO
- Barrel length: 16 in
- Action: Semi (semi-automatic)
- Handguard: AL M-LOK HG
- Stock: Tele stock (telescoping)
- Optic: ROMEO-MSR Gen II
- Magazine included: (1) 30RD mag
- Finish: Forge Elite Concrete
Specifications
- Product type: Rifle
- Chambering: 5.56 NATO
- Barrel length: 16 in
- Operating mode: Semi-automatic
- Mounting/optic system: ROMEO-MSR Gen II
- Handguard interface: M-LOK
- Included magazine capacity: 30 rounds
Benefits
With a 16 in configuration, M-LOK handguard interface, telescoping stock, and an integrated ROMEO-MSR Gen II optic, the SIGM400 is built for a streamlined setup that supports consistent aiming and straightforward accessory mounting. The Forge Elite Concrete finish provides a distinctive look across the rifle’s external surfaces.
Use Cases
- Range sessions requiring a 5.56 NATO semi-automatic rifle with a 16 in barrel
- Optics-forward setups using the ROMEO-MSR Gen II
- Configurations that benefit from an M-LOK handguard for accessory attachment
- Training and practice involving a 30-round magazine
