I have owned an M226 since 2007. I loved it so much that I got a second in 2012, but have since sold it. I have 4 magazines for it, and none - absolutely none - have ever leaked, malfunctioned or misfed. I have never had to reseal the gaskets or replace the valves. For comparison, my KJW M9 mags, although fantastic, usually require resealing once per year. Even my TM Glock mags have had to be resealed a few times (that pistol is only 3 years old).These are, hands down, the mos..