Restrictions

Top takeaways

  1. The Brownells A1 Carbine Barrel Assembly is designed for XM177 rifle reproduction or lightweight AR builds, with a barrel length of 11.5 inches.
  2. This assembly includes a front-sight base, sight post, detent, and other components necessary for a retro build.
  3. It features a chrome-lined chamber and bore, with a 1-7" twist rate and is threaded with 1/2"-28 TPI threads for compatibility.

Attributes

Cartridge: 5.56 mm NATO Finish: Black Gas System Length: Carbine Length: 11.5'' Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.723kg

Item details

Made in USA
US export classification: 0A501.c