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Sig Sauer M400 SDI Sentry, Semi-automatic Rifle, AR, 223 Remington/556NATO, 16″ Threaded Barrel, Cerakate Finish, Flat Dark Earth, 30 Rounds, 1 Magazine, Includes ROMEO 5 Red Dot and Foxtrot MSR Light RM400-SDI-16B-R5FX
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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.
| Weight | 155 lbs |
|---|---|
| Dimensions | 46.75 × 11.5 × 4.25 in |
| Gun type | Rifle: semi-auto |
| Model series | Sig m400 |
| Caliber | 5.56 nato |
| Action | Semi automatic |
| Capacity | 30+1 |
| Finish | Black anodized |
| Barrel length | 16 inches |
| Overall length | 47 inches |
| Optic | Romeo5 genii compact red dot |
| Firearm stock | 6-position magpul moe sl |
| Trigger | 2-stage matchlite duo trigger |
| Weight | 9.69 lbs |
| Frame material | Alloy |
| Gas system length | Mid-length |
| Magazine type | Polymer ar style magazine |
| Muzzle | Flash hider-compensator |
| Operating system | Direct impingement |
| Rifled barrel | Yes |
| Safety | Ambidextrous thumb safety |
| Threaded barrel | Yes |
| Barrel description | Cold hammer forged steel |
| Magazine count | 1 |
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