Lead & Steel AR-9 9mm Threaded AR Barrel 5.5in Straight Blowback 1-10 Twist 1/2x36 Nitride Black

Name: Lead & Steel AR-9 9mm Threaded AR Barrel 5.5in Straight Blowback 1-10 Twist 1/2x36 Nitride Black
Brand: Lead & Steel
Availability: InStock

Lead & Steel · Barrels

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Best price

$85.99at OpticsPlanet

In stock Sale checked Nov 3, 2026

Buy at OpticsPlanet

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Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet Best price	$85.99Salechecked Nov 3, 2026	In stock	Buy at OpticsPlanet
Battlehawk Armory	$77.96checked Oct 28, 2026	Check store	Buy at Battlehawk Armory

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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Lowest in-stock price in the last 30 days: $85.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Battlehawk Armory	—	$77.96	$77.96
OpticsPlanet	$85.99	$85.99	$99.79

Since Oct 12, 2026.

About this part

The Lead & Steel AR-9 9mm Threaded AR Barrel 5.5in Straight Blowback 1-10 Twist 1/2x36 Nitride Black is a 5.5" 9mm barrel from Lead & Steel. It's sold by 2 stores (1 in stock), from $77.96 to $85.99. The lowest in-stock price in the last 30 days was $85.99 at OpticsPlanet.

Fits and works with

Caliber: 9mm · Shop matching ammo
Bolt: 9mm · Bolt carrier groups
Muzzle thread: 1/2x36 · Muzzle devices
Barrel length: 5.5" · Handguards

Specifications

Manufacturer: Lead & Steel
Color: Black
Platform: AR-9
Caliber: 9mm
Barrel length: 5.5"
Thread pattern: ½ x 36

From the manufacturer

Lead & Steel AR-9 9mm Threaded AR Barrel 5.5in Straight Blowback 1-10 Twist 1/2x36 Nitride Black. Please note: A .223/5.56 flash hider will not have enough clearance for a 9mm round to pass. Before installing a muzzle device ensure a 9mm round will drop freely through the muzzle device bore. Specifications for Lead & Steel AR-9 9mm Threaded AR Barrel: Manufacturer: Lead & Steel Color: Black Finish: Nitride Fabric/Material: 4150 Chrome-Moly Vanadium Steel Caliber: 9mm Luger Barrel Profile: Straight Barrel Twist Rate: 1-10 Flutes: No Gun Make: AR Platform Gun Model: AR-9 Condition: New Gas System Type: Blowback Package Contents: Lead & Steel AR-9 9mm Threaded AR Barrel What firearm models does the manufacturer say Lead & Steel AR-9 9mm Threaded AR Barrel is compatible with? The manufacturer says that Lead & Steel AR-9 9mm Threaded AR Barrel is compatible with AR-9Lead & Steel 132323: AR-9 9mm Threaded AR Barrel 5.5in Straight Blowback 1-10 Twist 1/2x36 Nitride Black