hello,,the c-96 mauser pistol is an intresting pistol and a there is a good site devoted to teh c-96 and bolo mausers ,,i beleive its called the c-96.net heres the link
http://www.g6csy.net/c96/index.html once ya get it taken apart the sear should be an easy fix and ya may not need a gunsmith only the parts and gunparts corp may have the parts ya need ,,there reallu not that complicated and i know when i had my bolo i tore it down useing the c96 websites instructions ,,so check them out and see what ya might need ..
bigcurt