Outfitters Score™
Excellent
Sig Sauer, Inc. scores as a top-tier build with average pricing and a bare-bones configuration.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Description
SIG SAUER M400-SENTRY 5.56X45 NATO SEMI-AUTO RIFLE WITH ROMEO5 GENII 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(TM) 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 expe Mfg: Sig Sauer, Inc.
Full Specifications
Overview
| Brand | Sig Sauer, Inc. |
| Model | RM400-SDI-16B-R5FX |
| SKU | 430113883 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| UPC | 798681716128 |
Gas System
| Operating System | direct-impingement |
Receiver
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Free Float | No |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| Sights Included | red-dot |
| Optic Ready | No |
Finish
| Finish | black |
Compliance
| CA Compliant | No |
| Classification | Rifle |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
Bolt Carrier Group
direct-impingement
Handguard
Stock
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
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Swiss-origin firearms giant. The M400 and MCX platforms compete in the premium space, and Sig won the US Army NGSW rifle contract with the XM7.
View brand profile →M400-Sentry 5.56x45 Nato Semi-Auto Rifle With Romeo5 Genii - M400-Sentry 5.56x45 Nato 16"bbl (1)30rd Black W/Romeo5 Genii
RM400-SDI-16B-R5FX
Across 1 retailer
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