SCAR 17S Muzzle Shoulder Ring

  1. Verify that the SCAR is unloaded and made safe
  2. Thoroughly clean the entire muzzle thread profile of any debris, such as dried thread locker
  3. Slip the Ring over the muzzle with the OD chamfer facing away from the muzzle
  4. If installing a brake, space out and add peel washers or shims as needed to index properly
  5. Clean, degrease, and dry the threads on the muzzle, and in the muzzle device
  6. Add a few drops of thread locker to the muzzle threads
  7. Thread muzzle device onto the muzzle and snug ensuring the Ring is seated correctly
  8. Torque the muzzle device, but do not exceed 25 ft-lbs
  9. Before firing, always verify proper bore alignment of any muzzle device and/or suppressor!
Published in Firearm Accessories