Great Lakes GL10 AR-10 .300 Win Mag 24″ 5rd Black/SS

About this product

The Great Lakes GL10 is an AR-10 style, long-action semi-automatic chambered in .300 Winchester Magnum. It pairs a 24-inch stainless steel, threaded barrel with a 1:10 rate of twist and a 5/8-24 muzzle brake for compatible muzzle devices. The rifle is built on billet aluminum upper and lower receivers and uses a 20-inch aluminum M-LOK handguard and a Hogue fixed OverMolded stock. It ships with a 5-round detachable GLFA magazine and features a rifle gas system and mil-spec trigger.

Key Specifications

• The caliber is .300 Winchester Magnum.
• The action type is Semi-Automatic.
• The barrel measures 24 inches and is stainless steel with 5R rifling.
• The rate of twist is 1:10.
• The muzzle thread pattern is 5/8-24 and it ships with a muzzle brake.
• The upper and lower receivers are aluminum billet (7075 indicated in sources).
• The handguard is a 20-inch aluminum M-LOK with an upper Picatinny rail.
• The stock is a Hogue fixed OverMolded rifle stock in black.
• The magazine capacity is 5 rounds and the magazine is detachable.
• The gas system is specified as a rifle-length gas system.

Purpose-built for long-range performance in an AR-10 platform, the GL10 combines a long, threaded stainless barrel and billet construction with user-friendly features like an M-LOK handguard and Hogue overmolded stock. Its specification set supports precision-focused use where the .300 Win Mag cartridge is desired, while the detachable 5-round magazine and rifle gas system provide practical function for range and field applications.