What you will find with the Glock conversion kit, is it takes some getting used to. A Glock is already lightweight, but when you put on that aluminum slide and skeleton magazine, it REALLY feels like a toy. It is not a great item to run cheap ammo through, especially when new. (You are going to have a break in period of at least a few hundred rounds before it will function well.) And the difference between the AA Glock and my Ciener 1911 kit, they were both stiff when they were new, but my Ciener will eat most .22s not with frequent cleaning. I really never got performance that good from my AA Glock kit. I always had to run stingers/velocitors through it to get it to cycle reliably.