Sig Sauer M400 5.56 NATO 16" Semi-Auto Rifle, 30rd, Black - RM400-SDI-16B-P
Sig Sauer
For those who demand excellence and versatility in their firearms, the M400-SENTRY presents an unbeatable choice. This sophisticated rifle combines the renowned engineering of the M400-SDI X platform with essential attachments that elevate its functionality. Whether you’re engaged in home defense, advanced training, or simply enjoying a day at the range, the SENTRY is meticulously designed to empower confident shooting experiences. Equipped right out of the box, this rifle is ready for action the moment you need it.
Step into a world of precision and control with the integrated ROMEO5 GENII red dot sight, delivering a swift aiming solution with a crisp 1 MOA dot. No longer will cloudy vision in varied lighting conditions be a concern, thanks to the lens' full multi-coating. Coupled with SIG SAUER’s intuitive motion-activated design that provides over 40,000 hours of runtime, you can trust that your SENTRY will be prepared for when you need it most, day or night. This level of confidence translates into powerful performance, allowing you to hit your targets accurately and consistently.
Add to that the FOXTROT-MSR Full Size Light, boasting an impressive 1250 Lumens and 33000 Candela, ensuring your targets are illuminated even in complete darkness. The rifle’s vertical foregrip, featuring a free-floating M-LOK handguard, enhances stability and control, making any shooting position feel second nature. This rifle empowers you to stay calm and collected, knowing that its ergonomic design allows for effortless maneuverability and supreme comfort in all situations.
Further enhancing its appeal, the robust build quality of the M400-SENTRY comes from the direct insights of professional instructors at SIG SAUER Academy. Every aspect—from the low-profile gas block to the adjustable Magpul MOE-SL stock—has been patiently crafted to meet the highest standards of reliability and performance. No compromise was made in building a rifle that not only meets but exceeds the expectations of even the most discerning shooters. With the M400-SENTRY, you hold a tool that embodies precision, technology, and tactical proficiency right in your hands.
| Specification | Detail |
|---|---|
| Caliber | 5.56 NATO |
| Action Type | Semi-Auto |
| Operating System | Mid-Length Direct Impingement |
| 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 |
| 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 |
| Forearm Type | Free-Floating M-LOK Alloy |
| Accessory Rail | M-LOK/Picatinny |
| Magazine Type | AR-15 |
| Magazines Included | (1) 30rd Polymer Mag |
| Color | Black |
| Receiver Finish | Black Anodized |
| Overall Length | 36.5 in |
| Collapsed Length | 33.25 in |
| Overall Width | 2.8 in |
| Height | 9.3 in |
| Weight | 8.0 lbs |
| Forward Assist | Yes |
| Property | Value |
|---|---|
| Weight | 8.0 lbs |
| Overall Length | 36.5 in |
| Collapsed Length | 33.25 in |
| Overall Width | 2.8 in |
| Height | 9.3 in |