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Rifle Parts Barrel Parts Rifle Barrels BROWNELLS BRN AR-15 5.56 M4 BARREL GROUP 11.5" 1-7 TWIST, CARBINE GAS Support

Brownells AR-15 Government Barrel Assemblies feature chrome lined, high pressure tested construction for precision, reliability, and performance with 5.56x45mm ammunition.

BROWNELLS BRN AR-15 5.56 M4 BARREL GROUP 11.5" 1-7 TWIST, CARBINE GAS

050806500518 430104605

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Variations
Filters:
Variations:

Variations:

Brownells AR-15 Government Barrel Assemblies feature chrome lined, high pressure tested construction for precision, reliability, and performance with 5.56x45mm ammunition.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 11.5" 1-7 TWIST, CARBINE GAS
324.9 GBP 0 £324.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 11.5'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104605
Backorderable
324.9 GBP 0 £324.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested construction, ensuring precision and reliability for optimal performance with 5.56x45mm.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 14.7" 1-7 TWIST, CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 14.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104606
Backorderable
369.9 GBP 0 £369.90 *
Discover the Brownells 14.7" AR-15 Chrome Lined Government Barrel Assemblies, featuring high-pressure testing, chrome moly steel, and ready-to-install components.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 SOCOM BARREL GROUP 14.7" 1-7TWIST,CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Socom Finish: Black Gas System Length: Carbine Length: 14.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104608
Backorderable
369.9 GBP 0 £369.90 *
Experience unmatched precision with Brownells 10.3" AR-15 Government Barrel Assemblies, featuring chrome lining, high pressure testing, and ready-to-install convenience.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 MK18 BARREL GROUP 10.3" 1-7 TWIST,CARBINE GAS
324.9 GBP 0 £324.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 10.3'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104604
Backorderable
324.9 GBP 0 £324.90 *
Experience unmatched precision with Brownells AR-15 Government Barrel Assemblies, featuring chrome-lined bores, high-pressure testing, and ready-to-install convenience.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 16" 1-7 TWIST, CARBINE GAS
369.9 GBP 3 £369.90 *
In stock
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 16'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104607
In stock
369.9 GBP 3 £369.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested barrels with 1-7 twist for optimal performance with 62 grain and heavier bullets.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 SOCOM BARREL GROUP 16" 1-7 TWIST,CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Socom Finish: Black Gas System Length: Carbine Length: 16'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104609
Backorderable
369.9 GBP 0 £369.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested 4150 chrome moly steel, ensuring precision and durability for optimal performance.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 A2 BARREL GROUP 20" 1-7 TWIST, RIFLE GAS
374.9 GBP 0 £374.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Rifle Length: 20'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104610
Backorderable
374.9 GBP 0 £374.90 *
324.9 374.9 7 GBP
324.9 GBP £324.90

Prices inclusive of duty & VAT.

Product no.: 430104605

Mfr. No.: 11.5-5.56-GOV

050806500518 Brownells Government Barrel Assemblies – Chrome Lined and Individually Inspected The Brownells Government Barrel Assemblies are manufactured by a US Government Contractor for M4 barrels, and held to exacting standards. These barrels all feature a hard chrome bore, applied over button rifling. Each barrel is High Pressure Tested, followed by Magnetic Particle Inspection & Gauging to ensure there are absolutely zero imperfections. Assemblies are as ready-to-install as possible, with slip ring assembly, F-Marked front sight base and handguard cap pre-installed. Handguard caps are appropriate for the barrel length, with M4 Carbine assemblies featuring a round cap, and the rifle length featuring the proper triangle. Barrel material is 4150 chrome moly steel. 5.56x45mm chamber and 1-7 twist will ensure acceptance and desired performance with 62 grain and greater bullets. Barrels are all marked: “5.56x45mm NATO MFR 12238 MP HP 1-7”.
Backorderable
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Backorderable, delivery time approx. 4-12 weeks from the USA warehouse.

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324.9 374.9 7 GBP
Description Specification Customers reviews Accessories

BROWNELLS BRN AR-15 5.56 M4 BARREL GROUP 11.5" 1-7 TWIST, CARBINE GAS

324.9 GBP £324.90

Prices inclusive of duty & VAT.

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

Description:

Upgrade Your Firearm with Precision Engineering

The Brownells Government Barrel Assemblies are expertly crafted to meet the highest standards of quality and performance. Manufactured by a US Government Contractor, these barrels are designed specifically for M4 rifles and are individually inspected to ensure reliability.

Key Features:

  • Chrome Lined Bore: Each barrel features a hard chrome bore applied over button rifling for enhanced durability.
  • High Pressure Tested: Every assembly undergoes rigorous testing, including Magnetic Particle Inspection & Gauging, ensuring zero imperfections.
  • Ready-to-Install: Comes with slip ring assembly, F-Marked front sight base, and handguard cap pre-installed for your convenience.
  • Appropriate Handguard Caps: M4 Carbine assemblies include a round cap, while rifle length assemblies feature the proper triangle cap.
  • Material: Constructed from 4150 chrome moly steel for strength and longevity.
  • Caliber Compatibility: Designed for 5.56x45mm chamber with a 1-7 twist rate, ensuring optimal performance with 62 grain and heavier bullets.

All barrels are clearly marked: “5.56x45mm NATO MFR 12238 MP HP 1-7”, providing assurance of their specifications and quality. Enhance your shooting experience with the reliability and precision offered by Brownells.



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Brownells Government Barrel Assemblies are chrome lined, High Pressure Tested, and Magnetic Particle Inspected for zero imperfections.
  2. These barrels are ready-to-install with pre-installed components like slip ring assembly and F-Marked front sight base, tailored for M4 Carbine use.
  3. They are made of 4150 chrome moly steel, have a 5.56x45mm chamber, 1-7 twist rate, and are designed for 62 grain and heavier bullets.

Attributes

  • Cartridge: 
    5.56 x 45
  • Contour: 
    Government
  • Finish: 
    Black
  • Gas System Length: 
    Carbine
  • Length: 
    11.5''
  • Muzzle Threads: 
    1/2-28
  • Twist: 
    1-7
  • Weapon type: 
    AR-15
  • Delivery weight: 0.748kg
  • Shipping height: 114mm
  • Shipping width: 38mm
  • Shipping length: 330mm
  • UPC: 050806500518

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

Customer ratings (0)

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Variations:

Brownells AR-15 Government Barrel Assemblies feature chrome lined, high pressure tested construction for precision, reliability, and performance with 5.56x45mm ammunition.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 11.5" 1-7 TWIST, CARBINE GAS
324.9 GBP 0 £324.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 11.5'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104605
Backorderable
324.9 GBP 0 £324.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested construction, ensuring precision and reliability for optimal performance with 5.56x45mm.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 14.7" 1-7 TWIST, CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 14.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104606
Backorderable
369.9 GBP 0 £369.90 *
Discover the Brownells 14.7" AR-15 Chrome Lined Government Barrel Assemblies, featuring high-pressure testing, chrome moly steel, and ready-to-install components.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 SOCOM BARREL GROUP 14.7" 1-7TWIST,CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Socom Finish: Black Gas System Length: Carbine Length: 14.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104608
Backorderable
369.9 GBP 0 £369.90 *
Experience unmatched precision with Brownells 10.3" AR-15 Government Barrel Assemblies, featuring chrome lining, high pressure testing, and ready-to-install convenience.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 MK18 BARREL GROUP 10.3" 1-7 TWIST,CARBINE GAS
324.9 GBP 0 £324.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 10.3'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104604
Backorderable
324.9 GBP 0 £324.90 *
Experience unmatched precision with Brownells AR-15 Government Barrel Assemblies, featuring chrome-lined bores, high-pressure testing, and ready-to-install convenience.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 M4 BARREL GROUP 16" 1-7 TWIST, CARBINE GAS
369.9 GBP 3 £369.90 *
In stock
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Carbine Length: 16'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104607
In stock
369.9 GBP 3 £369.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested barrels with 1-7 twist for optimal performance with 62 grain and heavier bullets.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 5.56 SOCOM BARREL GROUP 16" 1-7 TWIST,CARBINE GAS
369.9 GBP 0 £369.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Socom Finish: Black Gas System Length: Carbine Length: 16'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104609
Backorderable
369.9 GBP 0 £369.90 *
Brownells AR-15 Government Barrel Assemblies feature chrome lined, high-pressure tested 4150 chrome moly steel, ensuring precision and durability for optimal performance.
AR-15 CHROME LINED GOVERNMENT BARREL ASSEMBLIES - BRN AR-15 A2 BARREL GROUP 20" 1-7 TWIST, RIFLE GAS
374.9 GBP 0 £374.90 *
Backorderable
Cartridge: 5.56 x 45 Contour: Government Finish: Black Gas System Length: Rifle Length: 20'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 430104610
Backorderable
374.9 GBP 0 £374.90 *

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