AR-15 .450 Bushmaster 20" Black Nitride Upper Assembly | MLOK | Big Bore Performance

.450 Bushmaster

AR-15 .450 Bushmaster 20" Black Nitride Upper Assembly with MLOK | Big Bore Performance

The AR-15 .450 Bushmaster 20" Black Nitride Upper Assembly is designed for big bore performance, offering durability, reliability, and accuracy. With a 20" 4150V steel barrel, 1:24 twist rate, and .875" gas block, this upper delivers powerful performance for both hunting and tactical applications. The black nitride finish enhances the barrel's longevity and resistance to wear and corrosion, making it perfect for high-pressure shooting environments.

The SOCOM-style upper receiver is made from 7075-T6 aluminum, ensuring strength and durability for large-caliber rifles. This upper assembly also features a 15" MLOK free float handguard, providing modular customization options while reducing weight for increased handling performance. The rifle-length gas system ensures reliable cycling, and the included forward assist and dust cover enhance the functionality of this upper assembly.

Key Features:

• 20" 4150V Steel Barrel with black nitride finish for durability and corrosion resistance

• 1:24 Twist Rate for optimal accuracy with large-caliber rounds

• .875" Low Profile Gas Block made from aircraft-quality steel for durability

• SOCOM-Style A3 Flat Top Upper Receiver made from 7075-T6 aluminum forging

• 15" MLOK Free Float Handguard for customization and lightweight feel

• Rifle-Length Stainless Steel Gas Tube for reliable cycling

• Black Hardcoat Anodized Finish for enhanced durability and finish protection

• Forward Assist and Dust Cover installed for added functionality

Important Notes:

• Does not include BCG or Charging Handle. These can be purchased separately.

• Images may not represent the exact product; MLOK variations may exist due to stock availability. However, performance and quality will remain consistent with listed specifications.