Description
The SIG516 G3 is a premium piston-driven AR platform rifle from SIG Sauer, engineered for superior reliability and reduced maintenance. It features a cold hammer-forged 16-inch chrome-lined barrel with a 1:7 twist rate, housed in a free-float M-LOK handguard. The hard-anodized upper and lower receivers provide a durable foundation, offering full compatibility with standard AR-15 parts and magazines for straightforward customization.
Key Features
- Short-stroke gas piston system for cleaner, cooler operation
- 16″ cold hammer-forged, chrome-lined barrel with 1:7 twist
- Free-float M-LOK handguard for accessory mounting
- 4-position adjustable gas block for suppressed or adverse condition use
- Hard-anodized 7075-T6 aluminum receiver set for maximum durability
Specifications
| Caliber / Type | 5.56 NATO / Piston-Driven Rifle |
|---|---|
| Material | 7075-T6 Aluminum, Steel |
| Finish | Hard Coat Anodized |
| Compatibility | Standard AR-15 lower receivers & magazines |
| Weight | 7.7 lbs |
The SIG516 G3’s short-stroke piston system diverts gas away from the bolt carrier group, significantly reducing carbon fouling and heat transfer to critical components. This engineering enhances reliability in rapid-fire or suppressed scenarios. Chambered in 5.56 NATO, it effectively handles both .223 Remington and 5.56mm ammunition, with the adjustable gas block allowing precise tuning for any load or operating environment.
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