LMT Monolithic 5.56x45 NATO 10.5" Carbine Length Bbl Black

Name: LMT Monolithic 5.56x45 NATO 10.5" Carbine Length Bbl Black
Brand: LMT Defense
Availability: OutOfStock

LMT Defense · Barrels

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Best price

$554.40at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$554.40checked Oct 1, 2026	Out of stock	Buy at Brownells

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 Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$554.40	$554.40	$554.40

Since Sep 28, 2026.

About this part

The LMT Monolithic 5.56x45 NATO 10.5" Carbine Length Bbl Black is a 10.5" 5.56 / .223 barrel from LMT Defense with a carbine gas system. One store lists it, Brownells at $554.40.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system: Carbine · Handguards
Barrel length: 10.5" · Handguards

Specifications

Manufacturer: LMT Defense
Color: Black
Platform: AR-15
Caliber: 5.56 mm NATO
Gas system: Carbine
Barrel length: 10.5"

From the manufacturer

LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL Designed for the LMT monolithic receiver, this barrel utilizes a low profile gas block, straight gas tube, and A2 birdcage for reduced flash. The barrel is coated and cryogenically treated for long term durability. AVAILABLE OPTIONS: 10.5a ^2 Chrome Lined 5.56A-45 (.223) 1:7a ^2 RH twist barrel 11.5a ^2 Chrome Lined 5.56A-45 (.223) 1:7a ^2 RH twist barrel 12.5a ^2 Chrome Lined 5.56A-45 (.223) 1:7a ^2 RH twist barrel 14.5a ^2 Chrome Lined 5.56A-45 (.223) 1:7a ^2 RH twist barrel 16a ^2 Chrome Lined 5.56A-45 (.223) 1:7a ^2 RH twist barrel 20a ^2 C Mfg: Lmt Defense