+1 about the cleaning MZ5.
I spend little time worrying about the rifles, a bore snake before shooting and that's it. The pistols are another matter. But, even there, the Ruger and the High Standard will go hundreds of rounds between cleanings. If I keep the breech end of the Ruger free of the crud ring that develops there, it is very happy.
Keep the moving parts oiled lightly.
Pete

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"Only hunting and mountain climbing are sports. The rest are just games."