Sig Sauer SIG516 G3 16-Inch AR Rifle

Description

The Sig Sauer SIG516 G3 is a semi-automatic AR rifle configured with a 16-inch threaded barrel, M-LOK handguard, and ambidextrous controls. We see it as a practical fit for range use, training, and general rifle work where a familiar AR layout matters. The rifle includes a Picatinny rail and a synthetic stock.

Key Specifications

• The rifle uses a semi-automatic action for a familiar AR operating format.
• The barrel measures 16 inches, providing the listed length for this rifle configuration.
• The barrel is made from cold hammer forged steel for the specified barrel construction.
• The threaded barrel uses a 1/2×28 thread pattern for compatible muzzle devices.
• The rifle accepts a listed capacity of 30 rounds.
• The handguard uses M-LOK accessory mounting for compatible equipment.
• The receiver has a Picatinny rail for compatible mounting equipment.
• Overall length measures 36 inches as listed.
• The rifle weighs 8 pounds according to the product attributes.
• The controls are ambidextrous for operation from either side.

The SIG516 G3 combines a short-stroke piston system with an adjustable gas system, while steel-reinforced components are specified for high-wear areas. Its free-floating M-LOK handguard and Picatinny rail leave room for compatible accessories without changing the rifle’s core configuration. The matte anodized finish, synthetic stock, and polymer grip keep the construction details straightforward. We stock this model for shooters who want an AR rifle with ambidextrous controls and a threaded 16-inch barrel. The result is the Sig Sauer SIG516 G3.