Bolt Carrier Group 5.56x45mm NATO Mil-Spec BCG Nitride Black

Name: Bolt Carrier Group 5.56x45mm NATO Mil-Spec BCG Nitride Black
Brand: Faxon Firearms
Availability: InStock

Faxon Firearms · Bolt Carrier Group

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Bolt Carrier Group 5.56x45mm NATO Mil-Spec BCG Nitride Black

Best price

$133.40at Brownells

In stock Lowest in 30 dayschecked Nov 13, 2026

Buy at Brownells

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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: Faxon Firearms
Color: Black
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Nitride
Material: Steel

Where to buy

Store	Price	Availability	Buy
Brownells Best price 17.76% off · ends Nov 15 · exclusions apply	$133.40checked Nov 13, 2026	In stock	Buy at Brownells
Kentucky Gun Co	$133.40checked Nov 13, 2026	In stock	Buy at Kentucky Gun Co
OpticsPlanet	$134.00Salechecked Nov 12, 2026	In stock	Buy at OpticsPlanet
MidwayUSA	$134.00checked Nov 13, 2026	In stock	Buy at MidwayUSA
GunMag Warehouse	$134.99checked Nov 13, 2026	In stock	Buy at GunMag Warehouse
Ammunition Depot	$144.99checked Nov 13, 2026	In stock	Buy at Ammunition Depot
Battlehawk Armory	$113.10Salechecked Nov 13, 2026	Check store	Buy at Battlehawk Armory
Classic Firearms	$119.99Salechecked Nov 12, 2026	Check store	Buy at Classic Firearms
AR15Discounts 5% off	$134.00checked Nov 12, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$134.00checked Nov 12, 2026	Check store	Buy at Dirty Bird
GrabAGun	$134.00Salechecked Nov 12, 2026	Check store	Buy at GrabAGun
Palmetto State Armory	$134.99checked Nov 13, 2026	Check store	Buy at Palmetto State Armory
Faxon Firearms	$145.00checked Nov 13, 2026	Check store	Buy at Faxon Firearms

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

Show

Lowest in-stock price in the last 30 days: $133.40 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$134.00	$114.95	$134.00
Ammunition Depot	$144.99	$134.00	$144.99
Battlehawk Armory	$113.10	$103.85	$113.10
Brownells	$133.40	$133.40	$133.40
Classic Firearms	$119.99	$119.99	$119.99
Dirty Bird	$134.00	$134.00	$134.00
Faxon Firearms	$145.00	$145.00	$145.00
GrabAGun	$134.00	$134.00	$134.00
GunMag Warehouse	$134.99	$134.99	$134.99
Kentucky Gun Co	$133.40	$133.40	$133.40
MidwayUSA	$134.00	$134.00	$134.00
OpticsPlanet	$134.00	$120.60	$134.00
Palmetto State Armory	$134.99	$134.99	$155.99

Since Sep 27, 2026.

About this part

The Bolt Carrier Group 5.56x45mm NATO Mil-Spec BCG Nitride Black is a 5.56 / .223 bolt carrier group from Faxon Firearms. It's sold by 13 stores (6 in stock), from $113.10 to $145.00. The lowest in-stock price in the last 30 days was $133.40 at Brownells.

From the manufacturer

When picking components for your next mil-spec rifle build, having high-quality internal components that are guaranteed to mesh with your other mil-spec parts is a must, and the Faxon Firearms M16 Bolt-Carrier Group is designed to do just that. Machined from 9310 tool steel, the Faxon Firearms M16 Bolt-Carrier Group is heat-treated and shot-peened to military specifications and features a number of other features to enhance reliability, such as chamfering on the rear of the locking lugs. The BCG includes a spring, insert and Crane O-ring already installed. Designed for 5.56 NATO All-black finish Salt-bath Nitride treated Magnetic particle inspected Tha Mfg: Faxon Firearms