The SIG M400 Forge is a modern, duty-ready rifle engineered for smooth operation, long-term durability, and immediate usability. Built around a mid-length gas system and a cold hammer forged barrel, it delivers balanced recoil and consistent performance across extended shooting sessions. Premium components, ambidextrous handling, and a factory-installed red-dot optic make this rifle a refined, out-of-the-box solution for shooters who demand reliability and capability in a full-length 5.56 platform.
FEATURES
- TriggerTech two-stage flat blade duty trigger
- Mid-length gas system for smoother cycling
- Ambidextrous charging handle
- 15" free-floating M-LOK handguard for accessory flexibility
- Full-length Picatinny top rail
- Six-position MAGPUL SL-K stock
- Factory-included 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: Moss Green Cerakote
- Receiver Description: Picatinny rail
- Handguards: M-LOK
- Grips: Black polymer
- Trigger: TriggerTech two-stage
- Trigger Pull Weight: 3.5 lbs
- Stock Material: Polymer
- Stock Description: Magpul SL-K
- Overall Length: 32.25"–35.50"
- Height: 7.20"
- Width: 2.70"
- Weight: 6.80 lbs
