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Questions & Answers
spec includes gas block, but not shown. does it come with the gas block? Expert Answer

Unfortunately the gas block is not included. The specs are simply referencing the size of the gas block channel, which is .750".

by Ethan C., Gear Expert, February 7, 2019
Do all of these combos have 11/16x24 muzzle threads, or is there a version with 5/8x24 threads? Expert Answer

These combos are only available in the 11/16x24 thread pattern.

by Ethan C., Gear Expert, April 8, 2018
Color: Black Finish: Matte Caliber: .450 Bushmaster Barrel Length: 18 in

Code: 2AE-ATB-4504140C

MPN: 4504140C

UPC: 702458689720

Product No Longer Available

Product Info for Glfa Barrel/bolt Combo Ar15 .450 Bushmaster Black Nitride

Tough and rugged, this GLFA AR-15 .450 Bushmaster Barrel is machined to allow for the toughness and durability that GLFA has come to be known for. The GLFA .450 Bushmaster 18in Rifle Barrel/bolt Combo is machined to withstand the rigors of a AR15 and cold tactical use, and is ideal for a variety of applications where a heavy barrel is desired. This GLFA Barrel/Bolt Combo features a black nitride finish, extending the life of your firearms. Whether you are looking for a one-piece AR15 upper receiver, or you are looking to fully customize your AR, the GLFA AR-15 Barrel/Bolt Combo combines quality and rigidity in one easy package.image

Specifications for Glfa Barrel/bolt Combo Ar15 .450 Bushmaster Black Nitride:

Ar-15 accessory: Y
Caliber: .450 bushmaster
Finish: Black matte
Length in inches: 18.0000
Sights: N
Fluted: N
Other features: Quench-polish-quech finish, milspec crmov steel, m4 feed ramps,.750 gas block, 11/16x24 threads, 1:24" rate of twist
Other features2: Includes bolt and barrel to change calibers on a ar-15 m4 to .450 bushmaster

Package Contents:

  • Glfa Barrel/bolt Combo Ar15 .450 Bushmaster Black Nitride

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List of Unorderable Models

  • Glfa Barrel/bolt Combo Ar15 .450 Bushmaster Black Nitride , MPN: 4504140C , UPC: 702458689720 , Code: 2AE-ATB-4504140C
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