Product Overview
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. Like other rifles in the series, the M400-SENTRY was developed based on the direct input of professional instructors at SIG SAUER Academy. Their decades of combined experience and personal knowledge ensures that all M400 rifles are designed to meet the highest standards of reliability and performance.
Specifications
- Make: Sig Sauer
- Model: M400-SENTRY
- SKU: RM400-SDI-16B-R5FX
- Caliber: 5.56 NATO
- Sights: ROMEO5 GEN II Installed
- Barrel Length: 16 in (406.4 mm)
- Barrel Material: Chrome/Moly Steel
- Twist Rate: 1:7
- Threads: 1/2 in - 28 tpi, tapered shoulder
- Muzzle Device: SIG Flash Hider-Compensator
- Action Type: Semi-Auto
- Operating System: Mid-Length Direct Impingement
- Stock Type: 6-Position Magpul MOE-SL, Black
- Grip Type: Reduced Angle
- Trigger Type: SIG 2-Stage Matchlite Duo
- Trigger Shape: Flat
- Manual Safety: Ambidextrous
- Forend Type: Free-Floating M-LOK Alloy
- Accessory Rail: M-LOK/Picatinny
- Included Accessories: ROMEO5 GEN II, FOXTROT-MSR Full Size, Vertical Foregrip
- Magazine Type: AR-15
- Magazines Included: (1) 30-round Polymer Mag
- Color: Black
- Receiver Finish: Black Anodized
- Overall Length: 36.5 in
- Collapsed Length: 33.25 in
- Folded Length: N/A
- Overall Width: 2.8 in
- Height: 9.3 in
- Weight: 8.0 lb
- Forward Assist: Yes
