Description

The Sig Sauer M400 SDI XSeries RM400-SDI-16B-R5FX is a 5.56 NATO rifle with a 16-inch barrel and a 1:7 twist rate, making it well-suited for stabilizing heavier bullets. Finished in black, this rifle comes as a complete package that includes a Romeo5 Gen II red dot sight for fast target acquisition, and a Foxtrot rail-mounted tactical light for low-light use. It features a free-floating M-LOK handguard, enhancing accuracy and allowing for accessory customization. The Sig Sauer RM400-SDI-16B-R5FX rifle also includes Sig’s XSeries ergonomic upgrades for better handling and control, and it ships with one 30-round magazine. The full-length Picatinny rail on top provides additional flexibility for optics and attachments.

Features:

• ROMEO5 GENII Red Dot, FOXTROT-MSR Full Size Light and Vertical Foregrip
• Fully Ambidextrous Controls
• Free-Floating M-LOK Forend
• (3) M-LOK Rail Covers Included (3) M-LOK Rail Covers Included
• SIG 2-Stage Matchlite Duo Trigger
• 16” Chrome/Moly Steel Barrel with 1:7 Twist Rate
• 6-Position Magpul MOE-SL Stock
• Low Profile Gas Block with Mid-Length Operating System