HAO's SF3P/SF4P flash hiders are perfectly fit the quick release device for the suppressor. And USGI 4 prong version is your best choice for the milsim activity.

HAO's SF 3/4 Prong Muzzle Brake

$60.00Price
Prongs
Threads
  • 14mmCCW
  • 1/2-28 RH