WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel

Name: WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel
Brand: WMD Guns
Availability: InStock

WMD Guns · Bolt Carrier Group

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Best price

$146.49at Ammunition Depot

In stock checked Oct 13, 2026

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Where to buy

Store	Price	Availability	Buy	Add to build
Ammunition Depot Best price	$146.49checked Oct 13, 2026	In stock	Buy at Ammunition Depot
OpticsPlanet	$169.99Salechecked Oct 13, 2026	In 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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Lowest in-stock price in the last 30 days: $146.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$146.49	$146.49	$146.49
OpticsPlanet	$169.99	$169.99	$169.99

Since Oct 12, 2026.

About this part

The WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel is a .450 Bushmaster bolt carrier group from WMD Guns. It's sold by 2 stores (2 in stock), from $146.49 to $169.99. The lowest in-stock price in the last 30 days was $146.49 at Ammunition Depot.

Fits and works with

Caliber: .450 Bushmaster · Shop matching ammo
Bolt: .458 SOCOM / .450 Bushmaster · Bolt carrier groups

Specifications

Manufacturer: WMD Guns
Platform: AR-15
Finish: Nickel Boron

From the manufacturer

WMD Guns M16/AR-15 Bolt Carrier Group BCG .450 BM NiB-X Nickel. Specifically engineered for NiB-X nickel boron coating to provide long life high reliability and easy cleaning and maintenance. The BCG components are coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial in short barrel setups and suppressed platforms. Specifications for WMD Guns Bolt Carrier Group (BCG): Manufacturer: WMD Guns Color: Nickel Finish: NiB-X Fabric/Material: 9310 Steel 8620 Alloy Steel Carrier Material: 8620 Steel Bolt Material: 9310 Steel Gun Make: AR Platform Gun Model: M16 AR-15 Condition: New Features of WMD Guns Bolt Carrier Group BCG: Bolt Carpenter 158 heat-treated shot-peened and magnetic particle inspected. Engineered from government drawings for NiB-X. Milspec gas rings. NiB-X coated (40percent more wear-resistant than chrome). Extractor Manufactured heat-treated and hardened per government drawings. NiB-X coated. Firing Pin Manufactured heat-treated hardened chromed and certified per Government drawings. Carrier M4/16 style full auto (heavier) functions in AR15 and M4/16 platforms 8620 material heat treated and case hardened. Manufacturing tolerances and surface finishes tightly controlled. NiB-X coated for durability and ease of cleaning. Gas Key Hardened to USGI specifications and attached using grade 8 hardened fasteners. Permatex No. 3D Aviation Form a gasket Type III Sealing Compound per MIL-S-45180 used on assembly. NiB-X coated. Staked per military specifications. Cam Pin Manufactured heat treated hardened and certified per government drawings. NiB-X Coated. Package Contents: WMD Guns Bolt Carrier Group What firearm models does the manufacturer say WMD Guns Bolt Carrier Group (BCG) is compatible with? The manufacturer suggests that WMD Guns Bolt Carrier Group (BCG) is compatible with AR-15 M16WMD Guns 1-NIBXBCG450BM: M16/AR-15 Bolt Carrier Group .450 BM NiB-X Nickel