« Reply #23 on: September 24, 2010, 05:03:48 PM »
Posted this because there was another thread where bore paste was mentioned, and it has several uses. I've used it as a polishing paste many times. JB Bore Bright (the red) works well as a polishing compound.
From Brownells Web-Bench:
Using Bore Paste Beyond Bore Cleaning
-- Roland Beaver
I use bore paste for other applications beyond bore cleaning. It is a wonderfully effective lapping compound when fitting tight components, such as slide to frame on a 1911 pistol. It is common to experience seizure of slide/frame that can lead to galling of engaging surfaces. At the first sign of resistance I generously apply bore paste to the rails and effortlessly lap those surfaces. As I continue fitting I continue applying bore paste with the result that I achieve a really tight fit that is silky smooth.
I use it in lieu of an anti seize compound when screwing a barrel into a receiver. If the barrel is a tight fit just winding it in a little, backing out, and repeating as needed will soon have the barrel fitting snugly and it can be screwed in and out smoothly with no resistance. I clean the threads before securing the barrel to the receiver.
I also use it to "wear in" hammer, sear, trigger components; either to just smooth up a rough factory trigger pull, or as a finishing touch on a match trigger job.
After lapping bolt lugs to a receiver I use it to put a final smooth finish on lapped surfaces. I've been gunsmithing for over 50 years and have been using bore paste ever since it first came on the market, so have probably forgotten some other useful applications. I even use it to clean/polish rifle bores.
If it is still up, have a look at gunbroker #187861092, which closed Sunday, for a look at some of my work and background.
http://www.brownells.com/.aspx/lid=13278/GunTechdetail/Brownells_Gunsmith_Kinks____September_2010?mc_ID=2041
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