Great Lakes GLFA AR15 .450 Bushmaster

The Great Lakes GLFA AR15 in .450 Bushmaster is a modern sporting rifle built to handle the .450 Bushmaster cartridge for field and range use. It pairs a stainless steel 18-inch barrel with a white Cerakote finish and billet 7075 upper and lower receivers for a durable, serviceable platform.

The rifle’s design emphasizes a robust build and practical ergonomics suitable for shooters who need a heavy-hitting cartridge in a familiar AR-style layout. Its 15″ M-LOK aluminum handguard and mil-spec polymer grip support mounting options and comfortable handling for extended sessions at the range or in field applications.

Physical and product details reflect a mix of stainless steel and aluminum components, a synthetic black stock, and a six-position collapsible stock for length-of-pull adjustment. The package includes one 5-round modified Lancer magazine and a muzzle brake fitted to the stainless barrel.

Key Specifications

• The caliber is .450 Bushmaster.
• The action is Semi-Automatic.
• The barrel length is 18 inches.
• The rate of twist is 1:24″.
• The magazine capacity is 5 rounds.
• The rifle accepts a detachable magazine and the detachable magazine is Yes.
• The stock material is Synthetic and the stock color is Black.
• The finish is described as White Cerakote with a Bi-tone metal color.
• The handguard is a 15″ M-LOK aluminum unit.
• The package includes a muzzle brake and one 5‑round modified Lancer magazine.

The Great Lakes GLFA AR15 .450 Bushmaster combines familiar AR ergonomics and controls with a cartridge and barrel setup suited to big-bore performance. Buy the Great Lakes GLFA AR15 .450 Bushmaster online today for a durable, configurable modern sporting rifle option.