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.
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
UPC | 798681716128 |
---|---|
Manufacturer | Sig Sauer |
Manufacturer Part Number | RM400-SDI-16B-R5FX |
Caliber/Gauge | .223 REM/5.56 NATO |
Barrel Length | 16" |
Action | Semi-Auto |
Capacity | 30 |
Product Type | AR |
Model | M400 |
Number of Magazines | 1 30 rd. |
ATF Type | RIFLE |
Shipping Weight | 10.5 |
Package Height | 4.0 |
Package Width | 11.5 |
Rate of Twist | 1-in-7" |
Magazine Included | 1 x 30-Round |
Length | 33.25'' |

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