Sig Sauer has unveiled the M400-FORGE, a 5.56 NATO rifle focused on reliability and performance. It features a 16″ cold hammer forged barrel, a TriggerTech 3.5 lb trigger, and an included ROMEO-MSR Gen II red dot optic. With modern ergonomics and a lifetime guarantee, it’s designed for versatile applications.
Sig Sauer states “The SIG SAUER M400-FORGE is a modern 5.56 NATO rifle engineered for shooters who demand reliability, precision, and performance. Built around a 16″ cold hammer forged barrel and mid-length gas system, the M400-FORGE delivers exceptional durability and smooth, consistent operation in any environment.
At the heart of the rifle is a TriggerTech 3.5 lb two-stage flat blade duty trigger, delivering the kind of crisp, predictable break shooters typically upgrade to. Paired with the included ROMEO-MSR Gen II red dot optic, the M400-FORGE provides fast target acquisition and confident shooting right out of the box.
A full-length free-floating M-LOK handguard, ambidextrous charging handle, and MAGPUL SL-K adjustable stock deliver modern ergonomics and adaptability for a wide range of applications.
Built by SIG SAUER, a brand trusted worldwide for performance and durability, the M400-FORGE is backed by the SIG Infinite Guarantee—our lifetime, fully transferable promise that stands behind every firearm we build.”
KEY FEATURES:
- TriggerTech 3.5 lb Two-Stage Flat Blade Duty Trigger: Delivers a crisp, predictable break for improved control and accuracy.
- ROMEO-MSR Gen II Red Dot Included: A rugged 2 MOA optic with 12 illumination settings and up to 35,000 hours of runtime.
- 16″ Cold Hammer Forged Barrel with Mid-Length Gas System: Engineered for durability, smoother cycling, and consistent performance.
- Full-Length M-LOK Handguard with Full Picatinny Rail: Provides maximum flexibility for lights, grips, and mission-specific accessories.
- Ambidextrous Charging Handle and MAGPUL SL-K Stock: Modern ergonomics designed for fast, confident handling.
- Available in four color options: Black, Concrete Gray, FDE, and Moss Green.
Learn more about Sig Sauer: https://www.sigsauer.com/