The Sig Sauer M400 SDI XSeries is a semi-automatic rifle chambered in .223 Rem / 5.56 NATO, designed for precision, reliability, and adaptability. Featuring a 16-inch barrel with a 1-in-7" twist rate, this rifle ensures consistent accuracy. The Moss Green finish provides a unique, rugged appearance, while the 6-position Magpul MOE-SL stock offers superior comfort and adjustability.
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Shoot Now, Pay Later® 4 Pay
Pay in 4. Four Payments, no interest for purchases between $150 to $985. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Shoot Now, Pay Later® 4 Pay and Traditional Financing
Try Pay in 4 at 0% interest for purchases between $150 to $985. Or Select Easy installments up to 36 months. Approvals up to $5,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
The M400 SDI XSeries is built with an aluminum M-LOK handguard, allowing for easy attachment of accessories while maintaining a lightweight design. The Sig 2-Stage Matchlite Duo trigger ensures a crisp, predictable break, improving precision for tactical, defensive, and sport shooting applications.
This rifle is optics-ready, featuring a flat-top upper receiver for customizable sighting options. The threaded barrel (1/2x28) allows for suppressor or muzzle device attachment, while the Sig Flash Hider Compensator helps reduce recoil and muzzle rise. The ambidextrous safety makes it versatile for both right- and left-handed shooters.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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