Great Lakes GL15450BRZ AR-15 450 Bushmaster | 18″ 5rd

The Great Lakes GLFA AR-15 in .450 Bushmaster is a purpose-built modern sporting rifle configured for large-bore performance. It ships with a bronze Cerakote finish, an 18-inch barrel and a 5-round magazine. For optics, a variable short-range scope such as the Vortex Viper PST Gen II 1-6×24 pairs well with this platform while remaining under $1,000 and supporting fast target acquisition.

Use cases: big-game hunting where heavy, straight-walled cartridges are preferred, and brush/short-range hunting scenarios requiring quick, powerful follow-up shots.

Product Specifications

• The caliber is .450 Bushmaster.
• The barrel measures 18 inches.
• The rate of twist is 1:24″.
• The action is Semi-Auto.
• The magazine capacity is 5 rounds and a single 5-round Lancer magazine is included.
• The finish is Bronze Cerakote.
• The rifle features a 7075 aluminum billet upper and lower.
• The gas system uses a 0.750 gas block with a mid-length gas tube.
• The grip is mil-spec polymer.
• The stock material is synthetic and the stock color is black.
• The rifle ships with no sights installed.
• The muzzle device is included and is designed for a 6-degree forward wrench tightening without Loctite.
• The ATF classification is Modern Sporting Rifle.
• The product includes a 15.25″ or 15″ aluminum handguard (see notes) regarding configuration details.
• The UPC is 702458690689.

This GLFA AR-15 balances large-bore capability with AR ergonomics and controls. Its 18″ barrel and .450 Bushmaster chambering make it suitable for short- to moderate-range hunting scenarios where heavy, straight-walled performance is required. The included 5-round magazine and bronze Cerakote finish give the rifle a finished, ready-to-configure appearance for optics or accessories you prefer.

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