Outfitters Score™
Good
Sig Sauer 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
Features
Full Specifications
Overview
| Brand | Sig Sauer |
| Model | RM400-SDI-16B-P |
| SKU | 1868950 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| UPC | 0798681664634 |
Gas System
| Operating System | direct-impingement |
Receiver
| Receiver Material | 7075-T6 |
| Receiver Finish | anodized |
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Handguard Type | m-lok |
| Handguard Material | aluminum |
| Free Float | Yes |
Furniture
| Stock Type | collapsible |
| Stock Model | Magpul Sl |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| 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
7075-T6
Lower Receiver
7075-T6
Barrel
Bolt Carrier Group
direct-impingement
Handguard
m-lok, Free Float
Stock
Magpul Sl
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
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-SDI XSeries 5.56mm NATO 16in Anodized Black Semi Automatic Modern Sporting Rifle - 30+1 Rounds
RM400-SDI-16B-P
Across 1 retailer
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