Restrictions

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'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.454kg

Item details

Made in USA
US export classification: 0A501.c