My Account (Sign in)
Your basket is empty.
0
Basket
contact us by phone Help and contact
Free standard delivery over £199
100-day return policy
My Account (Sign in)
Wish list
Your basket is empty. (0)
Basket
Newsletter Newsletter
Sale

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

Rifle Parts Barrel Parts Rifle Barrels LMT DEFENSE LMT MONOLITHIC 5.56X45 NATO 14.5" MID LENGTH BBL BLACK Support

The LMT Monolithic 5.56x45 NATO Rifle Barrel features a durable Chromoly construction, low profile gas block, and cryogenic treatment for enhanced performance.
-11 %

LMT DEFENSE LMT MONOLITHIC 5.56X45 NATO 14.5" MID LENGTH BBL BLACK

815415016764 430111528

Filters:

Variations
Filters:
Variations:

Variations:

-11 %
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a durable Chromoly construction, low profile gas block, and cryogenic treatment for enhanced performance.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 14.5" MID LENGTH BBL BLACK
589.9 GBP 1 £589.90 * £659.90
In stock
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 14.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111528
In stock
589.9 GBP 1 £589.90 * £659.90
-11 %
The LMT Monolithic 5.56X45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and comes in multiple lengths for versatility.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 10.5" CARBINE LENGTH BBL BLACK
589.9 GBP 0 £589.90 * £659.90
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Carbine Length: 10.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111525
Not available
589.9 GBP 0 £589.90 * £659.90
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and is designed for optimal performance with LMT receivers.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 12.5" MID LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 12.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111527
Not available
589.9 GBP 0 £589.90 *
-11 %
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers options from 10.5" to 20" lengths.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 16" MID LENGTH BBL BLACK
589.9 GBP 0 £589.90 * £659.90
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 16'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111529
Not available
589.9 GBP 0 £589.90 * £659.90
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers various lengths for versatility.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 20" RIFLE LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Rifle Length: 20'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111530
Not available
589.9 GBP 0 £589.90 *
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers various lengths for versatile performance.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 11.5" CARBINE LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Carbine Length: 11.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111526
Not available
589.9 GBP 0 £589.90 *
589.9 589.9 6 GBP
-11 %
MSRP £659.90
589.9 GBP £589.90

Prices inclusive of duty & VAT.

Product no.: 430111528

Mfr. No.: R-L7NE1B

815415016764 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: 10.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel 11.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel 12.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel 14.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel 16″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel 20″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel SPECIFICATIONS: Barrel Material: Chromoly Operating Method: Direct Impingement Rifling Twist Rate: 1:7" Barrel Caliber: 5.56×45
In stock 1 pcs. in the USA warehouse
Be the first to rate this product

Delivery time approx. 7-14 days.

100-Day Return Policy
No charges until we ship
No charge:
Your credit card will not be charged when you place your order.

No commitments:
You are under no obligation until the goods are shipped. You can cancel your order at any time before shipping - free of charge.

Not until shipping:
Your credit card will only be charged once we ship your order. Not before.
  • Durable cryogenic treatment
  • Reduced flash with A2 birdcage
  • Multiple barrel length options
Wish List Ask question
order by phone
589.9 589.9 6 GBP
Description Specification Customers reviews Accessories

LMT DEFENSE LMT MONOLITHIC 5.56X45 NATO 14.5" MID LENGTH BBL BLACK

-11 %
MSRP £659.90
589.9 GBP £589.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.
Requires order by phone

Description:

Discover the precision and durability of the LMT Monolithic 5.56X45 NATO Rifle Barrel.

The LMT Monolithic 5.56X45 NATO Rifle Barrel is meticulously designed for the LMT monolithic receiver. This high-performance barrel features:

  • Low Profile Gas Block: Ensures a streamlined design for optimal performance.
  • Straight Gas Tube: Enhances reliability and function.
  • A2 Birdcage Flash Hider: Reduces flash for improved concealment during firing.

Coated and cryogenically treated, this barrel promises long-term durability, making it a reliable choice for any shooter.

Available Options:

  • 10.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • 11.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • 12.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • 14.5″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • 16″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • 20″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel

Specifications:

  • Barrel Material: Chromoly
  • Operating Method: Direct Impingement
  • Rifling Twist Rate: 1:7"
  • Barrel Caliber: 5.56×45

Upgrade your firearm with the LMT Monolithic 5.56X45 NATO Rifle Barrel, crafted for performance and reliability.



Restrictions

  • Is a 'Call to order' product.

Attributes

  • Barrel Weight: 
    1.5 lbs
  • Cartridge: 
    5.56 x 45
  • Finish: 
    Black
  • Gas System Length: 
    Mid-Length
  • Length: 
    14.5''
  • Model: 
    MRP
  • Twist: 
    1-7
  • Weapon type: 
    LMT
  • Shipping height: 40mm
  • Shipping width: 40mm
  • Shipping length: 479mm
  • UPC: 815415016764

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

Customer ratings (0)

0 / 5

Variations:

-11 %
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a durable Chromoly construction, low profile gas block, and cryogenic treatment for enhanced performance.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 14.5" MID LENGTH BBL BLACK
589.9 GBP 1 £589.90 * £659.90
In stock
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 14.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111528
In stock
589.9 GBP 1 £589.90 * £659.90
-11 %
The LMT Monolithic 5.56X45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and comes in multiple lengths for versatility.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 10.5" CARBINE LENGTH BBL BLACK
589.9 GBP 0 £589.90 * £659.90
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Carbine Length: 10.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111525
Not available
589.9 GBP 0 £589.90 * £659.90
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and is designed for optimal performance with LMT receivers.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 12.5" MID LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 12.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111527
Not available
589.9 GBP 0 £589.90 *
-11 %
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers options from 10.5" to 20" lengths.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 16" MID LENGTH BBL BLACK
589.9 GBP 0 £589.90 * £659.90
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Mid-Length Length: 16'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111529
Not available
589.9 GBP 0 £589.90 * £659.90
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers various lengths for versatility.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 20" RIFLE LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Rifle Length: 20'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111530
Not available
589.9 GBP 0 £589.90 *
The LMT Monolithic 5.56x45 NATO Rifle Barrel features a low profile gas block, cryogenically treated for durability, and offers various lengths for versatile performance.
LMT MONOLITHIC 5.56X45 NATO RIFLE BARREL - LMT MONOLITHIC 5.56X45 NATO 11.5" CARBINE LENGTH BBL BLACK
589.9 GBP 0 £589.90 *
Not available
Barrel Weight: 1.5 lbs Cartridge: 5.56 x 45 Finish: Black Gas System Length: Carbine Length: 11.5'' Make: LMT Model: MRP Twist: 1-7 Product no.: 430111526
Not available
589.9 GBP 0 £589.90 *

Oops! Something went wrong.

We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.

Site Navigation
Product Categories
Ordering
Customer Service

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Brownells Norge - Komplett utvalg av ladeutstyr, våpendeler, kuler, hylser, kikkerter, optikk og luftvåpen Brownells Österreich - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Switzerland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Deutschland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells France - Le plus grand fournisseur d'Accessoires pour le tir, Pièces détachées & Outils d'Armurier Brownells Iberica - El mayor proveedor de accesorios para el Tiro, Piezas y herramientas del armero. Brownells Sverige - Världens största leverantör av Vapendelar, Vapensmide Verktyg & Skyttetillbehör Brownells Suomi Brownells Italia - Il negozio del più grande rivenditore di componenti e accessori per armi da tiro, difesa e caccia Brownells Polska - Największy na świecie dostawca części broni, narzędzi rusznikarskich & akcesoriów strzeleckich Brownells Česko - Největší světový dodavatel součástí zbraní, střeleckého příslušenství a zbrojního nářadí
*
Prices inclusive of duty & VAT.

© 2025 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top