Armalite AR-10 | .308 Win | 13.5in | 25rd | AR103GN13

The Armalite AR-10 AR103GN13 is a purpose-built competition rifle chambered in 7.62 NATO (.308 Winchester) configured for 3-gun and practical rifle events. It features a short 13.5-inch stainless steel barrel with a tunable brake that is pinned and welded, an adjustable MBA-1 stock, and a Timney 4-lb single-stage trigger for consistent break. For a matching optic under $1,000, the Vortex Viper PST Gen II 1-6×24 provides a durable, repeatable sight picture suited to dynamic competition and short-to-medium range work.

Applications: 3-gun competition and practical rifle competition.

Product Specifications

• The manufacturer is Armalite.
• The model/part number is AR103GN13.
• The action is Semi-Auto.
• The caliber is 7.62 NATO (.308 Winchester).
• The capacity is 25 rounds.
• The barrel measures 13.5 inches and is stainless steel with a 1:10 twist.
• The rifle includes an ArmaLite tunable brake that is pinned and welded.
• The receiver upper is aluminum, black.
• The receiver lower is aluminum, black.
• The stock is a MBA-1 adjustable with adjustable length-of-pull and comb, finished in black.
• The grip is an Ergo wide grip in black.
• The trigger is a Timney 4-lb single-stage trigger.
• The overall length is 36.3–37.3 inches.
• The weight is 8.8 lbs.
• Included with the rifle is one 25rd Magpul PMAG.
• The UPC is 651984015207.

This AR-10 blends competition-focused components—lightweight adjustable stock, a crisp Timney trigger, and a tunable brake—into a compact package. The short stainless barrel and robust AR-10 platform make it well suited to rapid target transitions and magazine-fed match stages, while the included Magpul PMAG supports reliable feeding in high-tempo use. If you compete or train in practical rifle formats, this rifle delivers the adjustability and trigger feel expected at that level.