NBS AR-15 .224 Valkyrie/6.8 SPC II Bolt Carrier Group - Nitride

Name: NBS AR-15 .224 Valkyrie/6.8 SPC II Bolt Carrier Group - Nitride
Brand: NBS

NBS · Bolt Carrier Group

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Best price

$139.95at AR15Discounts

checked Oct 31, 2026

Buy at AR15Discounts

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price	$139.95checked Oct 31, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$149.95checked Oct 31, 2026	Check store	Buy at Dirty Bird

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.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$139.95	$139.95	$139.95
Dirty Bird	$149.95	$149.95	$149.95

Since Oct 28, 2026.

About this part

The NBS AR-15 .224 Valkyrie/6.8 SPC II Bolt Carrier Group - Nitride is an AR-15 bolt carrier group from NBS. It's sold by 2 stores, from $139.95 to $149.95.

Fits and works with

Bolt: 6.8 SPC / .224 Valkyrie · Bolt carrier groups

Specifications

Manufacturer: NBS
Platform: AR-15
Caliber: .224 Valkyrie
Finish: Nitride
Material: Steel

From the manufacturer

The NBS M16 bolt carrier group is the perfect BCG for your next build. Properly built, no corners cut, 100 percent US made. With our lifetime guarantee, you can't go wrong. M16 / AR15 6.8 SPC & .224 Valkyrie 8620 M16 style carrier H&M Black Nitride finish Properly heat treated Final grind before plating 9310 6.8SPC / .224 Valkyrie bolt Heat treated Shot peened H&M Black Nitride finish MPI 4140 billet gas key H&M Black Nitride Finish Properly seated with Grade 8 fasteners Properly staked to ensure reliability 4140 Cam Pin nitride treated for wear resistance Billet Machined Extractor Machined from solid 4140 bar stock, heat treated and shot peened Phosphate coated for reliable extraction Extractor insert included O-Ring included Firing pin precision machined from 17-4 H-900 Stainless Steel 100% USA Made