Sig Sauer SIG 516 G3 .223 Rem/5.56 NATO 16-Inch Rifle

Description

The Sig Sauer SIG 516 G3 is a semi-automatic modern sporting rifle chambered for .223 Rem/5.56 NATO. Its 16-inch threaded barrel, M-LOK handguard, and ambidextrous controls provide a practical setup for range use and general rifle applications.

The rifle combines a short-stroke piston system with an adjustable gas system, reinforced components in high-wear areas, and a free-floating handguard. A Picatinny rail and 1:7-inch twist rate support a flexible configuration for compatible accessories and ammunition.

Key Specifications

• A .223 Rem/5.56 NATO chambering supports the listed rifle cartridge combination.
• The 16-inch threaded barrel provides the specified length and threaded configuration.
• A 1/2×28 thread pattern identifies the barrel’s threaded interface.
• The 30-round capacity provides the listed ammunition capacity.
• The semi-automatic action cycles the rifle for its intended operating format.
• A free-floating M-LOK handguard provides attachment slots for compatible accessories.
• Ambidextrous controls accommodate operation from either side.
• The cold hammer forged steel barrel provides the specified barrel construction.
• A 1:7-inch twist rate identifies the rifling specification.
• The 8-pound weight defines the listed rifle weight.

The SIG 516 G3 suits shooters looking for a configurable semi-automatic rifle with a threaded barrel, M-LOK handguard, Picatinny rail, and controls designed for either hand. Its combination of piston operation and documented barrel specifications gives it a straightforward foundation for range-focused setups.

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