The GLFA AR-15 in .450 Bushmaster is a semi-automatic rifle with an 18-inch barrel and a 7075 aluminum frame, weighing 6.4 lbs with an overall length of 35 inches. The barrel has a 1:24 twist rate and is finished in nitride-treated steel. A mil-spec trigger has a pull weight of 5.5 to 6 lbs. A muzzle brake is included to reduce recoil. The 15.25-inch full Picatinny rail handguard provides ample space for mounting optics and accessories. Comes with one 5-round magazine. Finish is nitride/cerakote black. 
 

Key Specifications 

• Model: GLFA AR-15 
• Caliber: .450 Bushmaster 
• Action: Semi-Automatic 
• Barrel Length: 18 inches 
• Capacity: 5 rounds (1 magazine included) 
• Weight: 6.4 lbs 
• Overall Length: 35 inches 
• Finish: Nitride/Cerakote Black 
• Frame Material: Aluminum 7075 
• Trigger Pull Weight: 5.5 - 6 lbs 
   

Detailed Features 

1. The 18-inch barrel has a 1:24 twist rate in nitride-treated steel for bullet stability and accuracy. 
2. At 6.4 lbs and 35 inches overall, the rifle is compact enough for tight spaces without sacrificing the .450 Bushmaster's stopping power. 
3. The 7075 aluminum frame is strong and keeps the overall weight in check. 
4. The mil-spec trigger runs 5.5 to 6 lbs pull weight consistently. 
5. The included muzzle brake redirects gases to reduce recoil and allow faster follow-up shots. 
6. The 15.25-inch full-length Picatinny rail handguard has plenty of room for optics, lights, or other accessories.

The GLFA AR-15 in .450 Bushmaster draws straightforward feedback from owners.

Build quality and reliability get consistently positive marks. The .450 Bushmaster's stopping power is a major draw, especially for hunters going after larger game, and the semi-auto action gets credit for enabling quick follow-up shots in both hunting and tactical contexts.

Recoil management is a frequent topic. Most experienced shooters find it manageable, but newer or lighter shooters find the .450 Bushmaster's push significant. Muzzle device selection and stock options come up in those discussions. Customization potential on the AR-15 platform is appreciated, with owners discussing optics, grips, and handguard modifications. Price gets mixed reactions -- generally seen as offering good value for the features, though some comparisons to competing rifles in the category prompt debate. Overall, the rifle is well-regarded for its power and versatility, with most criticism centered on handling considerations rather than quality issues.