WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black

Name: WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black
Brand: WMD Guns
Availability: InStock

WMD Guns · Bolt Carrier Group

No ratings yet

Best price

$169.99at OpticsPlanet

In stock Sale checked Oct 13, 2026

Buy at OpticsPlanet

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet Best price	$169.99Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet
Kentucky Gun Co	$156.60checked Oct 13, 2026	Out of stock	Buy at Kentucky Gun Co

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: $169.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Kentucky Gun Co	$156.60	$156.60	$156.60
OpticsPlanet	$169.99	$169.99	$169.99

Since Oct 12, 2026.

About this part

The WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black is a 5.56 / .223 bolt carrier group from WMD Guns. It's sold by 2 stores (1 in stock), from $156.60 to $169.99. The lowest in-stock price in the last 30 days was $169.99 at OpticsPlanet.

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: WMD Guns
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Nickel Boron

From the manufacturer

WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NiB-X Black. NiB-X Black coated. Firing Pin - Manufactured heat-treated hardened chromed and certified per government drawings. Carrier - AR-15 or M16 style (heavy weight) 8620 material heat treated and case hardened. Manufacturing tolerances on inside diameters tightly controlled. NiB-X Black coated for durability and ease of cleaning. Gas Key - Hardened to USGI Specifications and attached using grade 8 hardened fasteners. NiB-X Black coated. Staked per military specifications. Cam pin - Manufactured heat treated hardened and certified per Government drawings. NiB-X Black coated. Specifications for WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group (BCG) - NiB-X Black Nickel Boron: Manufacturer: WMD Guns Color: Black Finish: NiB-X Fabric/Material: 9310 Steel 8620 Alloy Steel Carrier Material: 8620 Steel Bolt Material: 9310 Steel Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: M16 M4 AR-15 Condition: New Package Contents: WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group - NiB-X Black Nickel Boron What firearm models does the manufacturer say WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group (BCG) - NiB-X Black Nickel Boron is compatible with? The manufacturer suggests that WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group (BCG) - NiB-X Black Nickel Boron is compatible with AR-15 M4 M16WMD Guns 1-NIBXBCG0001-Black: AR-15/M16/M4 Bolt Carrier Group 5.56 NiB-X Black