Tikka/sako 30 cal muzzle brake

Tikka/sako s.s. 30 cal threaded muzzle brake in grate condition 

I purchased used not too sure what the thread pattern is. Here the measurements, I got.

Inside thread diameter is 14mm

There are 13 thread 

The screw in berry length is 17.11mm

Inside lip, before threads diameter is 15.14mm

Overall, length of muzzle break is 70mm

Outside muscle brake diameter is 18mm

Inside bore 10.07mm

$120 plus shipping