NBS .625 Low Profile Gas Block - Phosphate

Name: NBS .625 Low Profile Gas Block - Phosphate
Brand: NBS

NBS · Gas System

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Best price

$16.95at AR15Discounts

checked Oct 31, 2026

Buy at AR15Discounts

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price	$16.95checked Oct 31, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$19.95checked 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	$16.95	$16.95	$16.95
Dirty Bird	$19.95	$19.95	$19.95

Since Oct 28, 2026.

About this part

The NBS .625 Low Profile Gas Block - Phosphate is a gas system part from NBS. It's sold by 2 stores, from $16.95 to $19.95.

Fits and works with

Gas block: 0.625" diameter · Gas blocks

Specifications

Manufacturer: NBS
Finish: Phosphate
Size: .625
Material: Steel

From the manufacturer

These gas blocks along with our gas tubes create an efficent and reliable gas system for your AR15 rifle build. Features: Fits barrels with .625 Outer Diameter Constructed from 4140 hardened steel Phosphate Coating Low profile for easy fitment Made in the USA