BTW, This is PERFECT for you if you want to go the route of Hi-Capa slide on 1911:
KIMBER Silver slide, WITH SIGHT, IN STOCK:
http://airsoftglobal.com/product_inf...oducts_id=5546
Don't forget to get this:
http://airsoftglobal.com/product_inf...oducts_id=6361
You need full length guide rod, which will require you to modify the hop-up mechanism a bit:
http://airsoftglobal.com/product_inf...oducts_id=3347
Along with the Tanio Koba slide spacer, you'll get a very sick 1911 build....