Originally Posted by bsa1917hunter
No problem. I believe it is a Roughtech model. Those are threaded 5/8x24. The one I was looking at was machined so well that it just looked like a brake on the end of the barrel. Here is the link to nathaniels rifle. I'd ask him to verify:

Tikka 6.5 PRC for sale in classifieds

Good looking rifle right there.

Semper Fi