What are you utilizing? This cost less than 6 dollars are harbour freight. Works great. .177 top row, 22 second row. .25 bottom row. You could even label the back or lid with stickers.. No more sorting thru tons of tins.
http://i392.photobucket.com/albums/pp10/shawnlyndysullivan/Mobile%20Uploads/2016-01/20160109_111357_zpskxoqze5a.jpg
http://i392.photobucket.com/albums/pp10/shawnlyndysullivan/Mobile%20Uploads/2016-01/20160109_111357_zpskxoqze5a.jpg