Stratochief Posted July 19, 2003 Share Posted July 19, 2003 I have a newly chromed open gun that is extremely tight, I fired about 200 rounds through it and it is still stove-piping almost every round. Does anyone, with any DIRECT experience recommend any particular compound to help work this thing in? Any help would be greatly appreciated. Thanks Link to comment Share on other sites More sharing options...
BSeevers Posted July 19, 2003 Share Posted July 19, 2003 I forget the brand but Non-embedding is very important. I remember Jerry B one year ground up a dremel stone at a major match, maybe Nationals or steel challenge, and put it in Breakfree, tightened the slide in a vise and then lapped in the slide. Not recommended. Did the gun run like a clock before chroming? I have seen many people chase a zebra when the horse was right in front of them. In plain english, it might not be the hard chrome. Link to comment Share on other sites More sharing options...
Nolan Posted July 19, 2003 Share Posted July 19, 2003 I used the finest grit valve lapping compound I could find at the local non-Kragen/Checkers/PepBoys/Autozone/etc. auto parts store. I believe the brand was Clover or Cloverleaf. Use it VERY sparringly and stop while you think the gun is still too tight. Then go shoot a couple hundred rounds and it will probably be perfect. Link to comment Share on other sites More sharing options...
Stratochief Posted July 19, 2003 Author Share Posted July 19, 2003 I will get some and try it. The gun worked fine before chroming, it's just a bit stiff now. Thanks for your advice. Link to comment Share on other sites More sharing options...
Run n Gun Posted July 19, 2003 Share Posted July 19, 2003 SC, Virgil Tripp has some thoughts on this, try: http://www.trippresearch.com/tech/lapping/lapping.htm After you read that click on the link "Break-in" to read more about it. Hope this helps, Ed Link to comment Share on other sites More sharing options...
Ross Carter Posted July 20, 2003 Share Posted July 20, 2003 Clover valve grinding compound is usually very coarse and imbedding. I wouldn't recommend it for lapping in a slide. Brownells sells some very fine stuff that works well. If it doesn't need much you can lap it with oil and a lot of elbow grease. Get it down to the bare frame and slide and keep it oiled very well while lapping. Stop and clean everything up and re-oil and start again often. You can get it very slick this way. Plain oil works best for this. Link to comment Share on other sites More sharing options...
benny hill Posted July 21, 2003 Share Posted July 21, 2003 try bore brite from brownells, works well w/o removeing the hardchrome. Link to comment Share on other sites More sharing options...
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