This is a Genuine Lithgow Arms Muzzle Brake.
Designed and made in Australia with three horizontal ports to minimise felt/perceived recoil.
Available for both 6.5CM and 308WIN in either Black or Titanium Cerakote
5/8″ 24 UNEF
If you own a Lithgow Arms LA102 in either 308WIN or 6.5CM this muzzle brake is designed to fit directly on the end of your barrel after removing the thread protector.