M400-FORGE: Ready From Day One

FORGED IN FREEDOM.

BUILT FOR THE MISSION.

Upgraded Where It Matters. Ready From Day One.

The M400-FORGE is a modern 5.56 NATO rifle built for shooters who demand reliability, precision, and performance. Featuring a TriggerTech® duty trigger, ROMEO-MSR GENII red dot sight, cold hammer forged barrel, and modern ambidextrous controls, the M400-FORGE comes equipped with the upgrades most shooters add later.

EXPERIENCE THE M400-FORGE. BUILT TO PERFORM

Features:

Precision Starts Here: TriggerTech’s crisp two-stage trigger delivers a clean break for greater control and consistency.

Target Acquisition, Accelerated: The included ROMEO-MSR GENII red dot sight delivers fast sight acquisition and dependable performance in all conditions.

Durable, Smooth and Consistent: The 16″ cold hammer forged barrel with mid-length gas system is built to handle the toughest conditions and engineered for performance.

Ready to Accessorize: The full-length M-LOK handguard with full Picatinny rail provides maximum flexibility for lights, grips, and mission-specific accessories.

Modern Ergonomics: The ambidextrous charging handle and MAGPUL SL-K stock are designed for fast, confident handling.

Available in five color options: Black, Concrete Gray, FDE, and Moss Green.

Built by SIG SAUER and backed by the SIG Infinite Guarantee, the M400-FORGE delivers trusted performance and durability for the range, defense, and beyond.

EXPERIENCE THE M400-FORGE. BUILT TO PERFORM

Our promise

We guarantee that your new SIG SAUER firearm, optic, or suppressor was originally manufactured free of defects in material, workmanship, electrical, optical, and mechanical function. In the event it becomes damaged from defect in any way we will repair your SIG SAUER product, at no charge to you. If we cannot repair your product, we will replace it or, if we cannot replace it, we will provide you with a replacement of equal value.

Complete Your M400 Setup