Outfitters Score™
Fair
Sig Sauer, Inc. scores as a unrated build with premium 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.
Short Barreled Rifle (SBR)
This is a Short Barreled Rifle (SBR) regulated under the National Firearms Act. Purchase requires an approved ATF Form 4 and $200 tax stamp. Transfer must go through a Class 3 SOT dealer.
Description
Features
Full Specifications
Overview
| Brand | Sig Sauer, Inc. |
| Model | RMCX-556N-7B-LT-SBR |
| SKU | 430113879 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| UPC | 798681684632 |
Gas System
| Gas Block Type | adjustable |
| Operating System | piston |
Receiver
| Receiver Type | forged |
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Free Float | No |
Muzzle
| Suppressor Ready | Yes |
Sights & Optics
| Optic Ready | No |
Dimensions & Weight
| Magazine Capacity | 30 rounds |
Finish
| Finish | black |
Compliance
| CA Compliant | No |
| Classification | SBR (NFA) |
| NFA Item | Yes |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
forged
Barrel
Bolt Carrier Group
piston
Handguard
Stock
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Iron Sights
Optic
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RMCX-556N-7B-LT-SBR
Across 1 retailer
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