A B Arms A*B Pro 5.56mm Bolt Carrier Group - Complete Nickel Boron Assembly

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$219.99
   $197.99
(You save $22.00 )
Available Online
Ships in 4 to 6 business days
SKU:
859143003535
BRAND:
Manufacturer Number:
ABABCGNiB
Unit of Measure:
Each
A*B Arms A*B Pro 5.56 Bolt Carrier Group is built to Mil-Spec dimensions. The Nickel Boron coated Bolt and Cam Pin need virtually no lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and the extractor has a surface finish that provides superior extraction during firing. These Bolt Carrier Groups are ready to drop into your rifle. Our Bolt Carrier Groups 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 us contracts with some of the highest quality AR manufacturers in the business. If you want to buy super high-quality parts offered by the company that actually manufactures them, then you’ve come to the right place.
Bolt

9310 Steel
Heat treated per Mil-Spec Requirements
Shot Peened per Mil-Spec Requirements
MPI Tested Material
Nickel Boron Coated
Bolt Carrier

8620 Steel
Nickel Boron Coated
Nickel Boron Coated Bore
M-16 Style with more mass for better functioning in semi or full auto rifles
Gas Key

4130 Steel
Nickel Boron Coated per Mil-Spec Requirements
Gas Key Screws – 4140 Steel Properly Staked per Mil-Spec Requirements
Cam Pin

4340 Steel
Heat Treated per Mil-Spec Requirements
Nickel Boron Coated per Mil-Spec Requirements
Extractor

Aircraft Quality E4140 Steel
Heat Treated per Mil-Spec Requirements
Shot Peened per Mil-Spec Requirements
Nickel Boron Coated per Mil-Spec Requirements
Firing Pin

420 Steel
Passivated

Estimated shipping times are posted on the product information page under the title "Ships On Or Before:" please note that all lead-times are estimates.  For items in our warehouse, we usually ship within 3 business days.  For items only available at distribution or other sources, the ship time may be up to 10 business days.  For items only available at the manufacturer, the lead-time may be a few weeks or longer-- depending on availability.

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We want you to be 100% satisfied with your purchase from Impact Guns, therefore we offer no hassle returns.

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