http://www.mcfaden.com/McFadden-Mach...der-s/1827.htm
http://www.mcfaden.com/McFadden-Mach...der-s/1828.htm
These are the single best accessories for high volume shooting of rimfires!
15/22 & 22/45 in my case
It's really neat to bring a brick or two of 22 ammo and only 2 mags to the range. These are really really exceptional!