Restrictions

Top takeaways

  1. Brownells BRN-4 barrels are HK® 416 compatible, available in various lengths with "heavy" or "medium" profiles, and are machined by Faxon.
  2. The barrels feature a 1-7 twist rate, ½-28 muzzle threads, and a black nitride finish for durability and ease of cleaning.
  3. Designed for 5.56x45mm NATO and .223 Remington cartridges, these barrels come with a simple installation process using the BRN-4 barrel nut.

Attributes

Cartridge: 5.56 x 45 Contour: Medium Finish: Black Nitride Gas System Length: 416 Length: 16'' Make: Heckler & Koch,Brownells Model: MR556,HK416,BRN-4 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.649kg

Item details

Made in USA
US export classification: 0A501.c