300 wsm Report post Posted December 5, 2010 Does porting your barrel take away velocity such as cutting it does? Share this post Link to post Share on other sites
308Nut Report post Posted December 6, 2010 A wee bit but not enough to sweat over it. If you're worried about it, have a brake threaded to the end of the barrel. M Share this post Link to post Share on other sites
firstcoueswas80 Report post Posted December 6, 2010 From what I've seen were talking like 30-75 FPS which is nothing... Share this post Link to post Share on other sites
