ArmaLite AR103GN13 AR-10 .308 Win 25+1 – MBA-1 Stock
About this product
The ArmaLite AR103GN13 is a purpose-built AR-10 platform chambered for .308 Winchester / 7.62 NATO and configured for practical rifle and 3-gun competition. It ships optics-ready with an adjustable Luth-AR MBA-1 buttstock, a Timney single-stage trigger and ambidextrous controls for fast, repeatable operation. The design uses MIL-SPEC 7075-T6 aluminum receivers and a match-grade barrel to prioritize consistent accuracy and durable performance. Controls and ergonomics are tailored for competitors and experienced shooters who require reliable, adjustable performance.
Key Specifications
- The rifle is chambered in .308 / 7.62 NATO.
- Standard feeding capacity is 25 + 1.
- The action is Semi-Auto.
- The barrel is a match-grade stainless steel profile.
- It uses an ArmaLite tunable muzzle brake, pinned & welded.
- The stock is an adjustable Luth-AR MBA-1 buttstock for cheek and length-of-pull adjustment.
- Trigger is a Timney single-stage drop-in unit.
- Handguard is a 12″ M-LOK free-float competition style.
- Receivers are made from 7075-T6 aluminum (MIL-SPEC).
- Controls include an ambidextrous safety and ambidextrous Radian Raptor charging handle.
Purpose-built for competitive use, the AR103GN13 balances repeatable ergonomics, a tuned trigger, and adjustable stock geometry to support precision and speed on the clock. Its optics-ready upper, free-float M-LOK handguard and tunable muzzle device make it a flexible platform for serious practical-rifle shooters seeking a configurable AR-10 setup.
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