NBS Mil-Spec M4 Carbine Stock

Name: NBS Mil-Spec M4 Carbine Stock
Brand: NBS

NBS · Stocks

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Best price

$12.99at AR15Discounts

checked Oct 31, 2026

Buy at AR15Discounts

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price	$12.99checked Oct 31, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$15.95checked 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	$12.99	$12.99	$12.99
Dirty Bird	$15.95	$15.95	$15.95

Since Oct 28, 2026.

About this part

The NBS Mil-Spec M4 Carbine Stock is an AR-15 stock from NBS. It's sold by 2 stores, from $12.99 to $15.95.

Fits and works with

Buffer system: Carbine · Buffers and springs

Specifications

Manufacturer: NBS
Type: Stock
Platform: AR-15

From the manufacturer

Mil-Spec Style M4 Carbine / USGI Polymer Collapsible Stock These stocks come from multiple manufacturers. Therefore, the style may differ from batch to batch, which can result in differences including: not having a buttpad or having a QD mount, among other variations.