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Recently a dealer told a friend of mine that using copper coated ammo in Target 22 rifles was a bad thing to do. Does anyone have any info on this and if it is a bad thing, then why? Thanks for info.
 

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Not necessarily a bad thing to do but the copper is put on .22 bullets by putting lots of them in a tumbler with a copper wash solution and tumbling until coated with a thin layer of copper. As you can imagine, beating the hell out of your bullets is not conducive to good accuracy, hence no copper coated target bullets.
 

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The copper residue is harder to clean out of your barrel and it does harm accuracy.

The copper coating may have been helpfull in the distant past to keep a barrel from leading but today that is not the case.

The lube used on decent .22 ammo today will prevent leading in any good barrel.

If you have a good smooth barrel the only thing left in your bore will be powder residue and small traces of lube if you are using good uncoated bullets.
 
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