Great Lakes GL10 LA | .300 Win Mag | 24″ Stainless | 5rd

The Great Lakes GL10 LA is a semi-automatic AR-10 style rifle chambered in .300 Winchester Magnum with a 24-inch stainless steel barrel and a 1:10 twist. It pairs a billet 7075 aluminum upper and lower with a 20-inch aluminum M-LOK handguard and a Hogue fixed synthetic stock finished in Pursuit Green Camo. For a durable, under-$1000 optic that matches the rifle’s long-range capability, consider the Vortex Viper PST Gen II 2.5-10×32.

Applications: precision long-range hunting and target/precision shooting where .300 Win Mag performance is desired.

Product Specifications

• The caliber is .300 Winchester Magnum.
• The action is semi-automatic.
• The barrel measures 24 inches and is threaded 5/8×24.
• The barrel twist rate is 1:10.
• The barrel material is 416R stainless steel with 5R rifling.
• The muzzle features a 5/8×24 stainless steel (416R) threaded muzzle.
• The upper and lower are billet 7075 aluminum.
• The handguard is a 20-inch aluminum M-LOK with an upper Picatinny rail.
• The gas block is .750 4150 steel with black oxide coating and the rifle uses a rifle-length gas system.
• The stock is a Hogue fixed synthetic stock in black.
• The rifle ships with a 5-round detachable magazine.
• The trigger is listed as a mil-spec trigger with a 5.5–6 lb pull.
• The rifle includes a custom-design bolt carrier group and custom charging handle.
• The platform accepts AR-10 compatible lower parts kits and trigger safety.
• The UPC is 638457792843.

The GL10 LA is built to deliver the external features expected from a modern .300 Win Mag AR-10 platform: a long, match-capable stainless barrel, billet receiver set, M-LOK modularity and a fixed synthetic stock for consistent cheek weld. It is presented as a capable long-range-oriented offering with factory features that minimize the need for immediate upgrades for many shooters seeking a big-bore AR platform.

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