Restrictions

Top takeaways

  1. Brownells BRN-4 barrels are HK® 416 compatible, available in various lengths and profiles, and machined by Faxon.
  2. These barrels feature a 1-7 twist rate, ½-28 muzzle threads, and a durable black nitride finish.
  3. Designed for easy installation, they match with BRN-4 bolt carrier group, gas block, and require specific BRN-4 barrel nut and gas block coil pins.

Attributes

Cartridge: 5.56 x 45 Contour: Medium Finish: Black Nitride Gas System Length: 416 Length: 14.5'' Make: Brownells,Heckler & Koch Model: MR556,BRN-4,HK416 Muzzle Threads: 1/2-28 Twist: 1-7 Delivery weight: 0.59kg

Item details

Made in USA
US export classification: 0A501.c