A*B Arms5.56 Bolt Carrier Group with NiBoron Bolt - Chaos Ready
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A*B Arms5.56 Bolt Carrier Group with NiBoron Bolt

$231.99 $199.99

American Built Arms Company 5.56 Bolt Carrier Group with NiBoron Bolt

Out of stock

Description

5.56 Bolt Carrier Group with NiBoron Bolt
Mil-Spec+ Bolt Carrier Group with Nickel Boron Coated Bolt and Cam Pin

Specifications:

Bolt:

– Carpenter 158 Steel
– Heat treated per Mil-Spec Requirements
– Shot Peened per Mil-Spec Requirements
– MPI Tested Material Per Mil-Spec Requirements
– 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

Bolt Carrier Gas Key:

– 4130 material, chrome-lined, phosphate coated, staked gas key screws per Mil-Spec Requirements
– Carrier – 8620 material, chrome lined, phosphate coated
– Cam Pin – 4140 nickel boron coated
– Firing Pin – S7 Material and chromed Firing Pin Retainer

Additional information

Weight 0.75 lbs

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