I got stuck with the Ruger Mark III .22 pistol. Reassembly after field stripping you have to know the trick to turn the pistol up (or even upside down at a 45 d

I got stuck with the Ruger Mark III .22 pistol. Reassembly after field stripping you have to know the trick to turn the pistol up (or even upside down at a 45 degree angle) with the magazine in place before you can get the mainspring housing assembly to seat correctly.