The GLFA AR-15 in .450 Bushmaster (brand part no. GL15450ODG) pairs a hard-hitting big-bore cartridge with an AR-15-pattern semi-automatic action, giving hunters a fast-cycling alternative to a bolt gun for big game. Great Lakes pairs an 18-inch stainless or nitride-treated chrome-moly barrel with a 1:24-inch twist and threads the muzzle at 11/16×24 under a forward-tightened muzzle brake. The 7075 aluminum upper and lower house a modified M4 feed ramp and a mil-spec trigger breaking at 5.5 to 6 pounds, and the rifle includes a 5-round magazine, a 15.25-inch M-Lok handguard, and a Cerakote finish in OD Green. Among modern sporting rifles in the AR rifles category, the GLFA AR-15 favors hunters who want a semi-automatic .450 Bushmaster for big game.

Key Specifications

• Chambered in .450 Bushmaster with a 1:24-inch rate of twist.
• Features an 18-inch barrel, threaded 11/16×24.
• Includes a forward-tightened muzzle brake.
• Feeds from a 5-round magazine, one included.
• Built on a 7075 aluminum upper and lower.
• Handguard is a 15.25-inch M-Lok design with a full Picatinny top rail.
• The trigger breaks at 5.5 to 6 pounds, mil-spec.
• Overall length is 35 inches, weighing approximately 6.4 pounds.
• Ships with no sights installed, ready for an optic.
• Finished in Cerakote, OD Green.

Frequently Asked Questions

What is this rifle chambered in? .450 Bushmaster, a big-bore cartridge built for big game.

Does the muzzle include a brake? Yes, a forward-tightened muzzle brake ships installed.

Buy the GLFA AR-15 .450 Bushmaster Rifle

A semi-automatic .450 Bushmaster for big game is exactly what this GLFA AR-15 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.