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. This combination of standardized features makes the M400-SENTRY an out-of-the-box solution for home/personal defense, advanced training or recreational shooting.

• ROMEO5 GENII Red Dot, FOXTROT-MSR Full Size Light
• Vertical Foregrip
• Fully Ambidextrous Controls (Safety, Charging Handle, Bolt Catch & Release)
• Free-Floating M-LOK Forend
• (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

Sig Sauer M400 SDI Sentry, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 16" Threaded Barrel, Anodized Finish, Black, 30 Rounds, 1 Magazine, Includes ROMEO 5 Red Dot and Foxtrot MSR Light RM400-SDI-16B-R5FX