This is a Patriot Ordnance Factory Muzzle Brake known as the 223, model 308.
Designed by POF this nitride heat treated muzzle brake controls muzzle impulse for ultimate accuracy and an unbelievably soft recoil. Comes complete with a nitride heat treated collar and five (5) strike prongs.
Features:
1/2X28 Thread pitch
Nitride finish
Helps with recoil management
Comes with collar
