ArmaLite AR-10 Competition 308 Win 13.5" 25+1 Semi-Auto Rifle

Built for 3-gun and practical rifle competition, the ArmaLite AR-10 Competition (AR103GN13) is a Semi-Auto AR-10 platform rifle chambered in .308 Winchester. It pairs a short, fast-handling 13.50" Heavy Match Grade barrel with a 1:10" twist and a pinned muzzle brake to keep recoil flat and muzzle rise minimal during rapid stage transitions.

The upper and lower receiver are machined from 7075-T6 aluminum and finished in Black Hard Coat Anodizing, with key controls coated in black phosphate for long-term durability. An ambidextrous safety, a Timney single-stage trigger (4 lb pull), and an optics-ready Picatinny rail up top let the shooter run the rifle exactly how a competition stage demands.

Handling and fit are dialed in for speed: the adjustable Luth-AR MBA-1 stock sets length of pull and comb height for a repeatable cheek weld, and an Ergo wide grip gives positive trigger-hand control. Built for right-hand shooters, the rifle runs 36.30" to 37.30" long depending on stock position and weighs in at 8.20 lbs.

Feeding comes from a detachable 25-round magazine (25+1), and the platform ships ready to mount a red dot, low-power variable, or traditional scope on the included Picatinny rail. Whether you are stepping into 3-gun for the first time or chasing the top of the field, the AR103GN13 comes out of the box ready to run.

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