AR-15 NiB-X Bolt & Carrier Group

Name: AR-15 NiB-X Bolt & Carrier Group
Brand: WMD Guns
Availability: OutOfStock

WMD Guns · Bolt Carrier Group

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Best price

$204.99at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$204.99checked Oct 1, 2026	Out of stock	Buy at Brownells

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 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	$204.99	$204.99	$204.99

Since Sep 27, 2026.

About this part

The AR-15 NiB-X Bolt & Carrier Group is an AR-15 bolt carrier group from WMD Guns. One store lists it, Brownells at $204.99.

Specifications

Manufacturer: WMD Guns
Platform: AR-15

From the manufacturer

Self-Lubricating Finish For Outstanding Durability & Resistance To Fouling

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the bare minimum and is impervious to corrosion and abrasion. The slick finish also keeps carbon from adhering, so clean up is much faster and easier than with standard parts. Ideal choice for 3-gun competitor sand other high-volume shooters. Available with a matching NiB-X coated hammer for the smoothest cycling. Also available as an AR-15 Bolt Carrier Group.

AR-15, Issue:11, Page:013
Big Book Catalog, Issue:70, Page:011