Description
The Sig Sauer M400 Forge is a semi-automatic rifle configured with a ROMEO-MSR Gen II red dot and an adjustable Magpul SL-K stock. Its M-LOK handguard, accessory rail, and included 10-round magazine suit structured range sessions and training use.
The platform combines a cold hammer forged steel barrel with a mid-length direct-impingement operating system and an ambidextrous manual safety.
Key Specifications
- A semi-automatic action supports a familiar rifle operating format for range and training use.
- The included ROMEO-MSR Gen II 2 MOA red dot provides an integrated aiming optic.
- A cold hammer forged steel barrel provides the listed barrel construction.
- The 1:7 twist rate is part of the barrel specification.
- The mid-length direct-impingement system defines how the rifle cycles.
- The six-position Magpul SL-K stock allows length adjustment for different shooting positions.
- A TriggerTech 3.5-pound two-stage flat-blade trigger provides the listed trigger configuration.
- The M-LOK handguard with full-length Picatinny rail supports compatible accessories and sighting equipment.
- An ambidextrous manual safety accommodates operation from either side.
- One included 10-round polymer magazine provides the supplied detachable magazine.
This configuration is suited to shooters who want an adjustable stock, modular handguard, included red-dot optic, and two-stage trigger in one rifle package. The combination of a forged barrel, M-LOK interface, and supplied magazine keeps the setup practical for organized range work.
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