Carrier Group Pro Series 5.56 BCG 9310 Steel Bolt Black Nitride For AR-15

Name: Carrier Group Pro Series 5.56 BCG 9310 Steel Bolt Black Nitride For AR-15
Brand: Aero Precision
Availability: OutOfStock

Aero Precision · Bolt Carrier Group

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Best price

$172.99at Brownells

Out of stock checked Oct 2, 2026

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Where to buy

Store	Price	Availability	Buy	Add to build
Brownells Best price	$172.99checked Oct 2, 2026	Out of stock	Buy at Brownells
OpticsPlanet	$174.99Salechecked Oct 2, 2026	Out of stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$172.99	$172.99	$172.99
OpticsPlanet	$174.99	$174.99	$174.99

Since Sep 28, 2026.

About this part

The Carrier Group Pro Series 5.56 BCG 9310 Steel Bolt Black Nitride For AR-15 is a 5.56 / .223 bolt carrier group from Aero Precision. It's sold by 2 stores, from $172.99 to $174.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups

Specifications

Manufacturer: Aero Precision
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Nitride
Material: Steel

From the manufacturer

The Aero Precision PRO Series 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO Series 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable service life of the bolt carrier group and its components. Firing Pin: Ground from 8640 Steel Nitride Finish Gas Key: Machined from hardened 4140 steel Torqued to spec with grade 8 hex fasteners Properly staked to Mil-Spec Nitride Finish Cam Pin: Machined from 4140 steel Precision ground after heat treatment Engraved Indexing mark Nitride Finish Mfg: Aero Precision