Thread: Hawkes Bay Rifle Club

Originally Posted by 6x47

Besides there being an 8mm calibre limit for F-Class, there is also a 5000 Joule muzzle energy limit on NRA ranges. This converts to 3805 ft-lbs. This of course rules out anything .338 or bigger, as well as the bigger 7s like the RUM

And 3500 ft-lbs (4745J) in Aus which means it is even easier to go over. Here the 338 should already be ruled out by the 8mm rule let alone energy levels.