Product Features & Specifications
Sig Sauer RM400SDI16BR5FX M400 Sentry Pkg 5.56 NATO 30+1 16" Threaded Barrel, Black Anodized Picatinny Rail Alloy Steel Receiver, M-LOK Handguard, 6 Pos Magpul SL Black Stock, Reduced Angle Grip, Foxtrot-MSR Full Size, Romeo5 Gen II Compact Red Dot Sight
The M400 Sentry offers a ready-to-go solution, combining the M400-SDI X platform with the multi-purpose functionality of the ROMEO5 GENII red dot and the Foxtrot-MSR Full Size Light.The M400-Sentry is furnished with a vertical foregrip on the free-floating handguard, enabling greater control of the rifle regardless the shooting position.
The ROMEO5 GENII red dot with its 1x aiming solution and crisp 2 MOA dot, provides over 40,000 hours of estimated runtime compliments of SIG SAUER's motion-activated MOTAC design.The ROMEO5 GENII is IPX7 waterproof rated, and its fully-multicoated lenses ensure visibility in all environments.
Top mount illumination controls provide ease of use by both left and right-handed shooters.The Foxtrot-MSR full size light with its 1,250 Lumens and 33,000 Candela, clearly illuminates targets while maintaining ease of use and accessibility.
Includes three M-LOK rail covers and a 30rd polymer magazine.
| Brand | Sig Sauer |
| Series | Sentry Pkg |
| Model | M400 |
| Caliber | 5.56 NATO |
| Barrel Length Range | 16" to 16.99" |
| Operating System | Direct Impingement |
| Stock Finish Group | Black |
| Capacity | 30+1 |
| Stock Material | Synthetic |
| Action | Semi-Auto |
| OAL | 33.25"-36.50" |
| Sights | None |
| Barrel Finish | Black FNC |
| Barrel Material | Chrome Moly Steel |
| Muzzle | Sig Flash Hider-Compensator |
| Twist | 1:7" |
| Receiver Description | Picatinny Rail |
| Magazine Type | AR-15 |
| Grips | Reduced Angle |
| Handguards | M-LOK |
| Optic Description | Foxtrot-MSR Full Size |
| Height | 9.30" |
| Receiver Material | Alloy Steel |
| Safety | Ambidextrous |
| Thread Pattern | 1 / 2"x28 |
| Width | 2.80" |
| Stock Description | Magpul SL |
| Barrel Description | Threaded |
| Barrel Length | 16" |
| Max Capacity | 30 |
| Receiver Finish | Black Anodized |
| Trigger | Sig Two-Stage Matchlite Duo |
| Weight | 8 lbs |
| SKU | 179055 |
| UPC | 798681716128 |
| MPN | RM400SDI16BR5FX |