Hi I am new to semi autos and was looking to change the mag release on my 1911. The old one works fine but I thought I would try an extended length one. According to the Gun Digest Book of Firearm Assembly/Disassembly it doesn't look like that difficult of a job. However before I start I just wanted to make sure that I am not going to lose the retainer and be rushed to emergency with a spring in my eye or something. Does anyone have any tips, or is there anything I should know? Thanks