The SIG M400 Forge is a full-length, duty-ready rifle built to deliver reliability, balance, and modern performance straight from the factory. Designed around a mid-length gas system and premium internal components, it offers smooth recoil impulse and consistent accuracy for extended shooting sessions. With a lightweight, ergonomic configuration and factory-installed optic, the M400 Forge is optimized for shooters seeking a versatile, ready-to-run 5.56 platform.
FEATURES
- TriggerTech two-stage flat blade duty trigger
- Mid-length gas system for improved recoil management
- Ambidextrous charging handle
- 15" free-floating M-LOK handguard
- Full-length Picatinny top rail
- Six-position MAGPUL SL-K stock
- Factory-installed ROMEO-MSR Gen II red-dot optic with 2 MOA aiming point
SPECIFICATIONS
- Caliber: 5.56 NATO
- Action: Semi-automatic
- Operating System: Gas
- Capacity: 30+1
- Barrel Length: 16"
- Barrel Material: Cold hammer forged steel
- Barrel Finish: Black
- Twist Rate: 1:7"
- Receiver Material: Alloy
- Receiver Finish: Black anodized
- Receiver Description: Picatinny rail
- Handguards: M-LOK
- Grips: Black polymer
- Trigger: TriggerTech two-stage
- Trigger Pull Weight: 3.5 lbs
- Stock Material: Polymer
- Stock Finish Group: Black
- Stock Description: Magpul SL-K
- Overall Length: 32.25"–35.50"
- Height: 7.20"
- Width: 2.70"
- Weight: 6.80 lbs
