Outfitters Score™
Excellent
Sig Sauer, Inc. scores as a top-tier 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.
Description
SIG SAUER 516 G3 BRONZE 5.56 NATO SEMI-AUTO RIFLE The SIG SAUER 516 G3 Bronze delivers proven piston-driven reliability in a rugged, duty-ready AR-platform rifle. Finished in a distinctive bronze tone, this third-generation 516 combines enhanced durability, ambidextrous controls, and modern modularity for shooters who demand consistent performance in high-round-count or adverse conditions. Built around SIG's short-stroke piston system with a 3-position adjustable gas system, the 516 G3 runs cleaner and cooler than direct-impingement rifles while maintaining excellent accuracy. A free-floating M-LOK handguard allows easy customization, while reinforced s Mfg: Sig Sauer, Inc.
Features
Free Float|M Lok|Ambidextrous|Ambi
Full Specifications
Overview
| Brand | Sig Sauer, Inc. |
| Model | R516G3-556N-16B-BRZ |
| SKU | 430117281 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| Chamber | 5.56 NATO |
| UPC | 798681740970 |
Gas System
| Gas Block Type | adjustable |
| Operating System | piston |
Receiver
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Handguard Type | m-lok |
| Free Float | Yes |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| Optic Ready | No |
Dimensions & Weight
| Magazine Capacity | 30 rounds |
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
piston
Handguard
m-lok, Free Float
Stock
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
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Manufacturer · Tier 1
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Build Guide
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State Check
This rifle has NFA or magazine considerations →
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 →516 G3 Bronze 5.56 Nato Semi-Auto Rifle - 516 G3 Bronze 5.56 Nato 16" Bbl (1)30rd Mag Bronze Cera
R516G3-556N-16B-BRZ
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