i have 2 1911's both springfield armory 1 a g.i. model parked 5 incher and i have fired bout 5o rnds thru it and put it away i got it mostly due to my grandpa carried one in the wwii so it just sits and i can replace it anytime, anyway i have a friend who wants to trade me for a lnib cz-85with lpa target sights in black polycoat with 2 full-cap mags all paperwork and the factory box, and to sweeten the deal he will throw in a colt police positive in .32 dont ask why but my wife wants it. anyway would ya'll do this i wanted a cz-75 but i'm a lefty and they don't work for me but the 85 is fully ambi friendly. and the 85 is pre-b which means what? thanks and i need info asap. thanks a million