rooster Posted January 13, 2010 Share Posted January 13, 2010 I have a Ron Powers jig and the chart says to stone the primary and secondary angles on 25 clicks. Jack Weigand on his 2.5 lb trigger pull article says to use 4 clicks and cut the hammer hooks at 901/4 degrees. What is the difference in this relationship. Most premium hammer hooks are really good right from the factory at 90 degrees. And unless you have a mill of some kind you are not going to get 901/4 by hand. Can I do 4 clicks and leave the hooks alone. Or stay with the factory angle at 25 clicks. All the trigger jobs I have done have been at factory angles or 25 clicks. And I get 2.5lb and lighter pulls. Just wondering if the 4 clicks is smoother, better, lasts longer or whatever. And if you go the 4 do you need the 901/4 angle on the hammer. Link to comment Share on other sites More sharing options...
Pat Miles Posted January 13, 2010 Share Posted January 13, 2010 The good quality hammers (Koenig, STI, SVI, etc) have hooks that are cut at 90 degrees and only in need of polishing with a ground (90 degree edges) white extra fine ceramic stone such as carried by Brownells (080-721-601) to clean up light tool marks. Then using Brownells Trigger Adjustment Pins and a good 10x loupe I check the fit of the primary angle of the sear and the hammer hooks. If they are not matched I will stone the sear on a Power Custom fixture so they do match. This is absolutely key. The number of clicks on the fixture is changed as needed. I don't change the angle of the hammer hooks. I will stone the depth of the hooks. The change is applied to the primary sear angle. I like the Koenig/EGW hard sear combination. A bit pricey but great parts. CYa Link to comment Share on other sites More sharing options...
Josh Biondi Posted January 14, 2010 Share Posted January 14, 2010 The good quality hammers (Koenig, STI, SVI, etc) have hooks that are cut at 90 degrees and only in need of polishing with a ground (90 degree edges) white extra fine ceramic stone such as carried by Brownells (080-721-601) to clean up light tool marks. Then using Brownells Trigger Adjustment Pins and a good 10x loupe I check the fit of the primary angle of the sear and the hammer hooks. If they are not matched I will stone the sear on a Power Custom fixture so they do match. This is absolutely key. The number of clicks on the fixture is changed as needed. I don't change the angle of the hammer hooks. I will stone the depth of the hooks. The change is applied to the primary sear angle.I like the Koenig/EGW hard sear combination. A bit pricey but great parts. CYa The only things that you should have care are: that the hammer hooks are perfectly at 90°, and that the primary angle on the sear are done in the way that you get 2 surface (sear primary surface and hammer hooks surface) that are totally osculatory. So you should adapt your click to get this result. More easier to do than explane Link to comment Share on other sites More sharing options...
John Dunn Posted January 14, 2010 Share Posted January 14, 2010 Osculatory...check out the brain on Josh! Had to look that one up! Link to comment Share on other sites More sharing options...
High Lord Gomer Posted January 14, 2010 Share Posted January 14, 2010 I looked it up and I'm *still* not sure what it means! Link to comment Share on other sites More sharing options...
Josh Biondi Posted January 16, 2010 Share Posted January 16, 2010 (edited) Osculatory...check out the brain on Josh!Had to look that one up! lol osclutatory= matching perfectly Edited January 16, 2010 by Josh Biondi Link to comment Share on other sites More sharing options...
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