Recent content by Uncle Ken

Tandy Leather is a good source http://www.tandyleatherfactory.com/en-usd/search/site-search-results.aspx?sectionpath=3&processor=content&p_keyword=kydex http://www.tandyleatherfactory.com/en-usd/search/site-search-results.aspx?sectionpath=3&processor=content&p_keyword=chicago+screws

I have had some success in reducing a Taurus factory DA trigger pull from (15-20 lbs. !!??) to 10-12 lbs. and not experience misfires. 1) All faying surfaces in the trigger parts must be smoothed. 2) Trigger return spring reduced to the minimum force required to reliably reset the trigger...

BBBBill is right. You can probably get to the 4 lb pull or close to it by only adjusting the sear spring. If you mess it up, it is by far the cheapest of the parts involved in a trigger job to replace (under $10 from Brownells or Wolff). Don't cut the original mainspring, minimal effect on pull...