can I convert

[1911whore]

I have a BP ten 2 and am wondering if I can convert it to .40, 9mm etc. Does anyone know if I can do this? I know I will need a new slide barrel etc. will I need an ejector? I guess my question is can I convert it and will para mags with an altered mag catch hole in 9mm or .40 work in the gun? I want to shoot uspsa and think it would be a great inexpensive alternative to an STI 2011 frame