NBS AR-9 Billet Upper Receiver for 9mm / .45

Name: NBS AR-9 Billet Upper Receiver for 9mm / .45
Brand: NBS

NBS · Upper Receiver

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Best price

$54.95at Dirty Bird

Sale checked Oct 31, 2026

Buy at Dirty Bird

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Where to buy

Store	Price	Availability	Buy	Add to build
Dirty Bird Best price	$54.95Salechecked Oct 31, 2026	Check store	Buy at Dirty Bird
AR15Discounts	$59.95checked 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.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$59.95	$59.95	$59.95
Dirty Bird	$54.95	$54.95	$54.95

Since Oct 28, 2026.

About this part

The NBS AR-9 Billet Upper Receiver for 9mm / .45 is a 9mm upper receiver from NBS. It's sold by 2 stores, from $54.95 to $59.95.

Fits and works with

Caliber: 9mm · Shop matching ammo
Bolt: 9mm · Bolt carrier groups

Specifications

Manufacturer: NBS
Platform: AR-9
Caliber: 9mm

From the manufacturer

The NBS AR-9 Billet Upper Receiver is a quality, American made billet upper designed to be used on Pistol Caliber Carbine (PCC) builds. Most often PCC builds are either 9mm or .45 ACP. This billet upper features a unique design that sets it apart from traditional forged upper receivers. Manufactured to exacting standards on five axis CNC machines from a solid block of aircraft grade aluminum, this stripped upper not only looks good... it is built to last. No Feedramps Compatible with mil-spec forged lower receivers and most billet lower receivers .250 takedown / pivot pin holes No forward assist Weight: 7.1oz Made in the USA Backed by the NBS Limited Lifetime Warranty