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The Brownell's Retro A1 12.7" carbine barrel assembly features a chrome lined 5.56mm barrel, available with 1-7" or 1-12" rifling, perfect for your Retro Rifle build.

BROWNELLS BRN AR-15/M16A1 RETRO CARBINE 5.56MM 12.7" 1-7 BBL ASSEMBLY

050806003781 078000462

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Variations
Filters:
Variations:

Variations:

Cartridge: 5.56 mm NATO Finish: Black Gas System Length: Carbine Length: 12.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 078000462
In stock
274.9 GBP 27 £274.90 *
Cartridge: 5.56 mm NATO Finish: Black Gas System Length: Carbine Length: 12.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-12 Product no.: 100020996
Not available
279.9 GBP 17 £279.90 *
274.9 279.9 2 GBP
274.9 GBP £274.90

Prices inclusive of duty & VAT.

Product no.: 078000462

Mfr. No.: BABR557462M

050806003781 Introducing the Brownell’s Retro A1 12.7" carbine length barrel assembly. Chambered in 5.56x45mm NATO, the chrome lined barrel is available with your choice of 1-7" or 1-12" rifling and finished in black phosphate with an overall length of 12.7”. Muzzle threads are ½""-28, and in back there's a standard barrel extension. Each Retro A1 12.7" carbine barrel assembly includes a front-sight base, .625", no F marks, complete with sight post, detent, spring, sling swivel, rivet, flat Delta ring, barrel nut, weld spring, snap ring, and round handguard cap installed. Machined from 4150 chrome moly steel. The barrel you need for your next Retro Rifle build!
In stock More than 10 pieces in USA warehouse

Delivery time approx. 7-14 days.

No charges until we ship
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274.9 279.9 2 GBP
Description Specification Customers reviews Accessories

BROWNELLS BRN AR-15/M16A1 RETRO CARBINE 5.56MM 12.7" 1-7 BBL ASSEMBLY

274.9 GBP £274.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.

Description:

Discover the Brownell’s Retro A1 12.7" Carbine Barrel Assembly!

Introducing the Brownell’s Retro A1 12.7" carbine length barrel assembly. Chambered in 5.56x45mm NATO, this chrome lined barrel offers exceptional performance and reliability.

Key Features:

  • Barrel Length: 12.7”
  • Twist Rate: Available in 1-7" or 1-12" rifling
  • Finish: Black phosphate
  • Muzzle Threads: ½"-28
  • Barrel Extension: Standard

Each Retro A1 12.7" carbine barrel assembly includes:

  • Front-sight base
  • .625" diameter
  • No F marks
  • Complete with sight post, detent, spring
  • Sling swivel, rivet, flat Delta ring
  • Barrel nut, weld spring, snap ring
  • Round handguard cap installed

Machined from 4150 chrome moly steel, this barrel is the perfect choice for your next Retro Rifle build!



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Brownell’s Retro A1 12.7" carbine length barrel is chambered in 5.56x45mm NATO and has a chrome-lined barrel with a black phosphate finish.
  2. Available with a 1-7" or 1-12" rifling twist, it features a 12.7” length, ½"-28 muzzle threads, and comes with a front-sight base and other necessary components installed.
  3. Constructed from 4150 chrome moly steel, the barrel assembly is designed for AR-15 builds and includes a carbine length gas system.

Attributes

  • Cartridge:
    5.56 mm NATO
  • Finish:
    Black
  • Gas System Length:
    Carbine
  • Length:
    12.7''
  • Muzzle Threads:
    1/2-28
  • Twist:
    1-7
  • Weapon type:
    AR-15
  • Delivery weight: 0.454kg
  • Shipping height: 25mm
  • Shipping width: 25mm
  • Shipping length: 25mm
  • UPC: 050806003781

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

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Variations:

Cartridge: 5.56 mm NATO Finish: Black Gas System Length: Carbine Length: 12.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Product no.: 078000462
In stock
274.9 GBP 27 £274.90 *
Cartridge: 5.56 mm NATO Finish: Black Gas System Length: Carbine Length: 12.7'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-12 Product no.: 100020996
Not available
279.9 GBP 17 £279.90 *

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