Great Lakes GL10LA300SSBLK .300 Win Mag

The Great Lakes GL10LA300SSBLK is a semi-automatic AR-10 style rifle chambered in .300 Winchester Magnum designed for extended-range shooting and field use. It is suited to range work and hunting where high‑velocity .300 Winchester Magnum performance is desired. The GL10LA300SSBLK emphasizes a billet aluminum construction and a long, stainless barrel for consistent performance.

The rifle is built with billet aluminum upper and lower receivers and a stainless steel (416R) 24-inch barrel featuring 5R rifling and a 1:10" twist rate. A 20-inch aluminum M-LOK handguard with an upper Picatinny rail provides accessory mounting options, while a fixed Hogue OverMolded stock offers a familiar, stable cheek weld and control. The rifle ships with a removable 5-round GLFA aluminum magazine and a stainless muzzle brake threaded 5/8"-24.

Key Specifications

• The caliber is .300 Winchester Magnum.
• The action is Semi-Automatic.
• The barrel length is 24 inches.
• The barrel material and rifling are stainless steel (416R) with 5R rifling and a 1:10" twist.
• The muzzle device is 5/8"-24 stainless steel (416R) muzzle brake.
• The upper and lower are made from 7075-T6 billet aluminum.
• The handguard is a 20-inch aluminum M-LOK with an upper Picatinny rail.
• The gas system is Rifle and the gas block is .750 4150 steel with black oxide coating.
• The stock is a Hogue fixed OverMolded black stock.
• The magazine capacity is 5 rounds and the magazine is detachable.

With billet receiver construction, a long stainless 24-inch barrel, and AR-10 compatible components, the GL10LA300SSBLK provides a platform for long-range .300 Winchester Magnum shooting. Consider the Great Lakes GL10LA300SSBLK rifle for sale when you need a stable, long-barrel AR-10 pattern rifle; buy the Great Lakes GL10LA300SSBLK .300 Winchester Magnum online today.