Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage


  • Knurled exterior
  • Machined from Stainless Steel
  • Available for the following threads
    • 1/2"-28, protector has a .570 OD
    • 9/16"-24, protector has a .635 OD
    • .578"-28, protector has a .650 OD


  • Prevents the threads on your barrel from becoming damaged when a muzzle device is not installed
  • Especially handy when switching muzzle devices
  • Knurled exterior makes these easy to install and remove