Ok all you gunsmiths, I have some questions about a glock 21. I'm a die hard 1911 guy but I'm thinking bout getting a glock 21 to shoot some 3 gun competitions with. I'm getting my 1911 dirty and im shooting in all kinds of weather so I'm thinking bout just going the glock route for my comps. My question is this. What all can I do to a glock 21 to make it as accurate as my 1911's and what changes or adjustments need to be made to the stock gun? Since I have only shot a glock a few times i'm really not sure. Any info would be appreciated.