18" 450 BUSHMASTER Stainless Heavy Barrel AR15 Upper Receiver with 15" Rail and Competition Muzzle Brake 18" 450 BUSHMASTER Stainless Heavy Barrel AR15 Upper Receiver with 15" Rail and Competition Muzzle Brake
SKU: UA45B18SS24BU32M_15ML00_MP_SH

18" 450 BUSHMASTER Shaw Stainless Heavy Barrel - 15" Rail - Competition Muzzle Brake - AR 15 Upper

AR15Parts.com
$475.00

18" 450 BUSHMASTER Shaw Stainless Heavy Barrel AR15 Upper Receiver with 15" Rail and Competition Muzzle Brake

The straight walled cartridge of the 450 Bushmaster is ideal for big game hunting, especially in states that restrict tapered cartridges. Shooting a projectile upwards of 250 grains, 450 Bushmaster is a favorite among deer hunters in the Midwest. The .450 Bushmaster is designed to be used in standard AR15s. We recommend single stack magazines for reliability and our bolts are specially designed to eliminate feeding issues.

Specifications:

  • 18 inch 450 BUSHMASTER 416R Stainless Barrel with 1x24 Twist, SOCOM Feed Ramp, and 5/8 x 32 Threads. This is a highly accurate, precision machined, match grade barrel.
  • Mil-Spec Upper Receiver machined from 7075 T6 aluminum with forward assist and dust cover installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
  • 15" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Comfortable and light weight, with M-LOK or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
  • 0.936" Low Profile Gas Block.
  • Mid Length Gas System.
  • Competition Muzzle Brake with crush washer.

This upper assembly will fit all mil-spec AR15 lower receivers.

This item will ship directly to you with no FFL transfer required.

You are responsible for knowing federal, state and local laws applicable to this item.

Full Description
Current Stock: 34
Rail Type *
Muzzle Device *
Optics
Bolt Carrier Group
Magazine
Charging Handle
  • Description

    18" 450 BUSHMASTER Shaw Stainless Heavy Barrel AR15 Upper Receiver with 15" Rail and Competition Muzzle Brake

    The straight walled cartridge of the 450 Bushmaster is ideal for big game hunting, especially in states that restrict tapered cartridges. Shooting a projectile upwards of 250 grains, 450 Bushmaster is a favorite among deer hunters in the Midwest. The .450 Bushmaster is designed to be used in standard AR15s. We recommend single stack magazines for reliability and our bolts are specially designed to eliminate feeding issues.

    Specifications:

    • 18 inch 450 BUSHMASTER 416R Stainless Barrel with 1x24 Twist, SOCOM Feed Ramp, and 5/8 x 32 Threads. This is a highly accurate, precision machined, match grade barrel.
    • Mil-Spec Upper Receiver machined from 7075 T6 aluminum with forward assist and dust cover installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
    • 15" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Comfortable and light weight, with M-LOK or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
    • 0.936" Low Profile Gas Block.
    • Mid Length Gas System.
    • Competition Muzzle Brake with crush washer.

    This upper assembly will fit all mil-spec AR15 lower receivers.

    This item will ship directly to you with no FFL transfer required.

    You are responsible for knowing federal, state and local laws applicable to this item.

  • Details

    Details

    Current Stock: 34
    SKU: UA45B18SS24BU32M_15ML00_MP_SH
    Availability: Usually Ships in 24 Hours
    Old SKU: UA45B16SS24HC_12ML00_CB