Users have asked us for info on additional calibers. We've already added 22BR, 30BR, and 6XC pages. Which Additional Caliber Most Deserves More Coverage? 22BR .243 Win and .243AI 6PPC 6x47 Swiss Match 6XC and 6-22/250 6-284 and 6.5-284 7mm BR 30BR Other (e.g. .223, .308, 6.5x55) Stick to 6mm BR and derivatives (6BR Improved, 22BR, 30BR)