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The Brownells Retro A2 20" barrel, chambered in 5.56x45, features a chrome-lined bore, 1-7" twist, and is machined from durable 4150 steel for reliability.

BROWNELLS 5.56X45MM 20" A2 RIFLE BARREL 1-7 TWIST ASSEMBLY

430103018

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Brownells Retro A2 20" rifle barrel is chambered in 5.56x45mm with a 1-7" twist, chrome-lined bore, and is finished in matte black phosphate.
  2. It features a ½"-28 tpi muzzle thread, a pre-installed M16 barrel extension, and is compatible with heavier bullets and rifle-length gas tubes (sold separately).
  3. The assembly includes an M16 barrel extension, non-F-marked front sight base, A2 front sight post, triangle handguard cap, delta ring assembly, and a riveted sling swivel.

Attributes

  • Delivery weight: 0.227kg

Item details

Made in USA
US export classification: 0A501.c
329.9 329.9 1 GBP
329.9 GBP £329.90

Prices inclusive of duty & VAT.

Product no.: 430103018

Mfr. No.: BABR557018MC

The Brownells Retro A2 rifle length barrel replicates the “Government” profile found on the M16A2. Chambered in 5.56x45, this chrome-lined barrel has a 1-7" twist and is finished in matte black phosphate, with an overall length of 20". The muzzle threads are ½"-28 tpi, and in the back a standard rifle barrel extension is pre-installed. 5.56 NATO chamber (also accepts .223 Rem) Original 1-7" rifling compatible with heavier bullets Chrome-lined bore and chamber Requires a rifle-length gas tube (available separately) M16 barrel extension (no M4 feedramps) Non-F-Marked 0.750 inch front sight base (compatible with carry handle rear sights) Available as a complete assembly This Brownells Retro A2 rifle barrel is machined from ultra-strong 4150 chrome-moly steel, and is magnetic particle inspected when finished to ensure there are no hidden flaws that could shorten its service life. Barrels are engraved “MFR 12238 MP CHROME BORE 1-7”. Assembly includes the following components installed: M16 Barrel Extension .750 Non-F-Marked Front Sight Base A2 Front Sight Post with detent hardware Triangle Handguard Cap (compatible with A2 and M5 RAS handguards) Delta Ring Assembly Sling Swivel riveted in place
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329.9 329.9 1 GBP
Description Specification Customers reviews Accessories

BROWNELLS 5.56X45MM 20" A2 RIFLE BARREL 1-7 TWIST ASSEMBLY

329.9 GBP £329.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.

Description:

Discover the Precision of the Brownells Retro A2 Rifle Barrel

The Brownells Retro A2 rifle length barrel is designed to replicate the iconic “Government” profile found on the M16A2, making it an exceptional choice for enthusiasts and professionals alike.

Product Features:

  • Caliber: Chambered in 5.56x45, also accepts .223 Rem
  • Twist Rate: 1-7" rifling compatible with heavier bullets
  • Finish: Matte black phosphate with a chrome-lined bore and chamber
  • Length: Overall length of 20"
  • Muzzle Threads: ½"-28 tpi
  • Barrel Extension: Standard rifle barrel extension pre-installed
  • Gas System: Requires a rifle-length gas tube (available separately)
  • Front Sight Base: Non-F-Marked 0.750 inch, compatible with carry handle rear sights
  • Assembly: Available as a complete assembly

Durability and Quality:

This barrel is machined from ultra-strong 4150 chrome-moly steel and undergoes magnetic particle inspection upon completion to ensure there are no hidden flaws that could compromise its service life. Each barrel is engraved with “MFR 12238 MP CHROME BORE 1-7” for authenticity.

Included Components:

  • M16 Barrel Extension
  • .750 Non-F-Marked Front Sight Base
  • A2 Front Sight Post with detent hardware
  • Triangle Handguard Cap (compatible with A2 and M5 RAS handguards)
  • Delta Ring Assembly
  • Sling Swivel riveted in place

Upgrade your firearm with the Brownells Retro A2 rifle barrel and experience unmatched performance and reliability.



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Brownells Retro A2 20" rifle barrel is chambered in 5.56x45mm with a 1-7" twist, chrome-lined bore, and is finished in matte black phosphate.
  2. It features a ½"-28 tpi muzzle thread, a pre-installed M16 barrel extension, and is compatible with heavier bullets and rifle-length gas tubes (sold separately).
  3. The assembly includes an M16 barrel extension, non-F-marked front sight base, A2 front sight post, triangle handguard cap, delta ring assembly, and a riveted sling swivel.

Attributes

  • Delivery weight: 0.227kg

Item details

Made in USA
US export classification: 0A501.c

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