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Old March 17, 2013, 07:47 PM   #10
James K
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Join Date: March 17, 1999
Posts: 19,951
Do you know how old those guns are? Many .22 guns made in the late 1800's or early 1900's were made for the copper cases of the day, not the harder and stronger brass needed for the higher pressures of newer cartridges. So increasing the hammer spring strength may be the answer. But be aware that firing "modern" cartridges might not be the best thing for those old guns.

Jim
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