A*B Arms

A*B Arms Pro 5.56 Bolt Assembly - Nickel Boron

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SKU:
6775
UPC:
859143003436
MPN:
ABA5.56B
Shipping:
Calculated at Checkout
$99.99

Description

A*B Arms Pro 5.56 Bolt Assembly - Nickel Boron

American Built Arms Nickel Boron 5.56mm Bolt Assembly. Made in the USA to Mil-Spec dimensions, this C-158 steel bolt features a Nickel Boron coating. The E4140 steel extractor and has a Manganese Phosphate coating. This bolt assembly is ready to drop in your bolt carrier group of your AR-15 style rifle. This high quality component is great for your .223 Remington/5.56x45mm build, or for upgrading your factory components. 

A*B Arms A*B Pro Bolt Assembly is built to Mil-Spec dimensions. The Nickel Boron coated bolt needs virtually no lube during use. The Manganese Phosphate coated extractor has a surface finish that provides superior extraction during firing. These bolt assemblies are ready to drop into your bolt carrier group. These Bolts are specially made on high end Swiss machinery to have exacting tolerances and surface finish. A*B Arms is known by rifle manufacturers for manufacturing one of the finest quality bolts and extractors available. This has won them contracts with some of the highest quality AR manufacturers in the business. Proudly made in the USA!

Bolt

  • Carpenter 158 Steel
  • Heat treated per Mil-Spec Requirements
  • Shot Peened per Mil-Spec Requirements
  • MPI Tested Material
  • Nickel Boron Coated
Extractor
  • Aircraft Quality E4140 Steel
  • Heat treated per Mil-Spec Requirements
  • Shot Peened per Mil-Spec Requirements
  • Manganese Phosphate Coated per Mil-Spec Requirements

Manufacturer: American Built Arms Company

PRODUCT SPECIFICATIONS:

  • Brand: American Built Arms Company
  • Caliber:.223 Rem,5.56x45mm
  • Finish / Color: Nickel
  • Firearm Type: Pistol,Rifle
  • Material: Steel
  • Models Fit: AR-15
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Additional Information

MPN:
ABA5.56B
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