Bushmaster Barrel AR-15 450 Bushmaster 20" Heavy Contour 1 in 24" Twist Matte

Product #: 573813 Bushmaster #: F1003558

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Product Information

The 450 Bushmaster barrel is a 20" barrel with a rifle length gas system. The barrel has a 1 in 24" twist and a threaded muzzle. The barrel is made of chrome moly steel. The 450 Bushmaster's bolt and magazines differ from the standard AR-15 rifle and will be needed to build this barrel into a complete upper.

Technical Information
  • Length: 20"
  • Material: Chrome Moly Steel
  • Twist: 1 in 24"
  • Contour: Heavy
  • M4 Feed Ramps: No
  • Chrome Lined: No
  • Gas Port Location: Carbine Length
  • Barrel Diameter at Gas Port: 0.875"
  • Muzzle Thread: 11/16"-24
  • Finish: Mil-Spec Heavy Phosphate
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