Browse the selection of options & features with SIG SAUER's collection of M400 and SIG M400 TREAD variants; direct impingement operating system, AR 15 platform.

Accurate, lightweight and crafted from the finest components, the SIGM400 PRO sets the new standard for direct-impingement AR-15s. Browse by individual sku to find the right product for …

The M400-SENTRY offers a ready-to-go solution for the most discerning shooters, combining the proven capabilities of the M400-SDI X platform with the multi-purpose functionality of the …

Sig Sauer M400 Tread 2.0 5.56 NATO 16" 30rd Rifle, Moss Green - RM400-16B-TRD-V2G

The M400 is an air-cooled, direct impingement gas-operated, magazine-fed carbine that is based on the earlier AR-15 rifle. [2] Depending on the variant, it can be chambered for 5.56×45mm NATO or .300 AAC Blackout cartridges, and may have a fixed or telescoping stock.

The M400-SENTRY offers a ready-to-go solution for the most discerning shooters, combining the proven capabilities of the M400-SDI X platform with the multi-purpose functionality of the ROMEO5 GENII red dot, FOXTROT-MSR™ Full Size Light and a vertical foregrip.

Sep 27, 2024 · The SIG's M400 SDI XSeries is an AR-15 that's near perfect for most shooters. It's easy to use, accurate, and reliable. Check out how it performed in our tests!

Step up your game with the SIG SAUER M400 SDI X Pistol, the pinnacle of performance and innovation in the AR-style pistol market. Cold Hammer Forged barrel chambered in 5.56 NATO, this compact powerhouse is engineered to excel in a variety of applications, including home defense and range shooting.

Featuring a lightweight and rigid free-floating M-LOK® enhanced handguard, the SIG SAUER® M400 Tread V2 Semi-Auto Rifle provides exceptional control and lets you easily mount accessories. The lower