American Built Arms AR-15 Pro 5.56 Bolt Assembly, NiBX, *NEW*

$99.99
SKU
ABA-ABA5.56B
In stock
Only 1 left

Pro Bolt assembly for 5.56mm AR-15 variants, Nickel Boron w/Phosphate extractor, *NEW*, by American Built Arms.

 

Pro Bolt assembly for 5.56mm AR-15 variants, Nickel Boron w/Phosphate extractor, *NEW*, by American Built Arms.

Sold individually.

Spend more time shooting and less time cleaning!

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 American Built Arms contracts with some of the highest quality AR manufacturers in the business. 

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

Made in the USA!
More Information
SKU ABA-ABA5.56B
Weight 0.102000
Length (Dimension) 2.875
Height (Dimension) .75
Width (Dimension) .75
Color Black
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