NBS AR-10 Left-Handed Bolt Carrier Group Black Nitride

Name: NBS AR-10 Left-Handed Bolt Carrier Group Black Nitride
Brand: NBS

NBS · Bolt Carrier Group

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Best price

$169.95at AR15Discounts

checked Oct 31, 2026

Buy at AR15Discounts

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts	$169.95checked Oct 31, 2026	Check store	Buy at AR15Discounts

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 Oct 28, 2026.

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Store	Latest	Lowest	Highest
AR15Discounts	$169.95	$169.95	$169.95

Since Oct 28, 2026.

About this part

The NBS AR-10 Left-Handed Bolt Carrier Group Black Nitride is a .308 / 7.62x51 bolt carrier group from NBS. One store lists it, AR15Discounts at $169.95.

Fits and works with

Caliber: .308 / 7.62x51 · Shop matching ammo
Bolt: AR-10 (.308 / 6.5 CM) · Bolt carrier groups

Specifications

Manufacturer: NBS
Platform: AR-10
Caliber: .308 / 7.62
Finish: Nitride
Material: Steel

From the manufacturer

This NBS Black Nitride .308 Complete BCG is compatible with any AR10, .308 or 7.62x51 rifle that follows the DPMS pattern. The carrier includes forward assist serrations and the bolt is (MPI) certified. Bolt: MPI Inspected 9310 Alloy Steel Hardened Steel Extractor Milspec Gas rings (3) Black Extractor Insert 2 Viton O-Rings Bolt Carrier: 8620 Steel Heavy Duty Full Cut Design Grade 8 Gas Key Screws, Staked Gas Key Material - 4140 Cam Pin: 8620 Steel Nitride Finish Firing Pin: Mil-Spec Firing Pin