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Military Firearm Restoration Corner

Best Compound For Polishing Handgun's Chamber?


AzRednek

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Looking for suggestions on the best type of compound to use to polish my Beretta's 32ACP chamber.

 

The tilt barrel Beretta has no extractor. It is a very simple straight blowback with no lock or delay design. The back pressure literally blows the expended cartridge out. Pushing the heavily sprung slide along with it. The double action only is loaded by depressing a button that tilts the barrel up away from frame and loading a live cartridge into the chamber. The design allows the shooter to load it without the need to rack the extremely heavily sprung slide. I have a Taurus 25 auto that operates the same.

 

My problem with the Beretta are far to often failure to extract. With the ridiculously heavy spring pressure on the slide it is a king sized PIA to clear a failure to extract cartridge. With no extractor it does no good simply racking the slide. I have to drop mag and shove the expended 32ACP cartridge with a cleaning rod.

 

The indoor range I was at today has a gunsmithing dept. The smith was gone for the day. I talked briefly with his intern that claimed a chamber polishing would likely fix the problem. Being the cheapskate I am and the intern unable to give me a firm price saying "I'm sure it wont cost more than 50". I left telling him I'd think about it. I don't believe the intern was familiar with the design as his first suggestion was to check for a worn or weak extractor. After I showed and explained the Beretta's system he recommended the chamber polish.

 

Looking through my assortment of gun cleaning stuff. I have a couple of cotton bore mops. I was thinking of putting a mop on a drill but don't know what to use for a compound. I have some jeweler's rouge but I don't believe it will work very well on steel. I thought I could possibly use a rougher grit then use the rouge to shine it up.

 

So what'cha think?? Any advise for a cheapskate not wanting to spend 50 bucks?? Is or are there compounds that work well on steel?? Any advice or even speculation on a possible solution with the stubborn extraction is appreciated.

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I have used very very fine steel wool with a bit of polish...I think brasso it has been a while.

put some on the patch tip and put the rod in a drill and polish...I have also used a stick of white polishing compound on a patch with the drill,

 

Just go slow and use a .22 tip...I used a steel tip but in a little 25 i think I would try a plastic tip

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Flitz? You may want to try different ammunition, and find a combo that works well. Could be the pistol is just finicky about the loads it digests? It might prefer standard loads, or it might need something hotter.

 

Some other tips and info:

 

http://www.handgunforum.net/beretta/25932-beretta-tomcat-jaming-issues.html

 

http://www.thehighroad.org/archive/index.php/t-711606.html

 

http://www.thehighroad.org/archive/index.php/t-346177.html

 

http://www.thehighroad.org/archive/index.php/t-140879.html

 

Frame cracks?

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