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Bolt Carrier Group (BCG) - Black Nitride

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Bolt Carrier Group (BCG) - Black Nitride

$160.00

Description:

The ALG Black Nitride Mil-Spec Bolt Carrier Group (BCG) is a great upgrade for your current AR or a perfect starting point for your next build. Black Nitride is an advanced low friction coating that minimizes the need for lubricants. The Bolt is CNC ground after heat treat for true Mil Spec dimension’s and fit. Made of case hardened 9310 steel, shot peened, and ships with the Crane O ring installed. Our bolts are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI).

 

The Carrier is made of 8620 steel, the gas key is 4130 steel and is attached with Grade 8 hardware and properly staked. The ALG Black Nitride BCG is compatible with AR15 rifles chambered in .223/5.56, and .300 Blackout

Item Number: 08-154

Availability: In stock

Full Description

The ALG Black Nitride Mil-Spec Bolt Carrier Group (BCG) is a great upgrade for your current AR or a perfect starting point for your next build. Black Nitride is an advanced low friction coating that minimizes the need for lubricants. The Bolt is CNC ground after heat treat for true Mil Spec dimension’s and fit. Made of case hardened 9310 steel, shot peened, and ships with the Crane O ring installed. Our bolts are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI).

 

The Carrier is made of 8620 steel, the gas key is 4130 steel and is attached with Grade 8 hardware and properly staked. The ALG Black Nitride BCG is compatible with AR15 rifles chambered in .223/5.56, and .300 Blackout

Additional Information

Reviews (1)

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Customer Reviews

Well Made BCG
Review by Kenneth

Good well made bolt carrier group. I have a little over 2500 rounds through my bolt carrier group with no cleaning and only lubrication. I have had no issues except for one failure to feed in a rapid string of fire that was reduced with immediate action. The finish was properly applied onto the bolt carrier group and the gas key was staked adequately. Ammunition was mostly steel case Wolf Polyformance with a mix of several hundred rounds of federal and magtech xm193 ball ammunition.

Quality
(Posted on 4/4/2018)

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