Jack, my 1877 Lifter has play in the hammers. I cleaned the locks and used my digital caliper to discover that there was only .0005" to .001" difference between the hole in the lockplate and the round part of the tumbler. I expected the hole to be oval shaped and/or the tumbler to be galled on the bearing surface. They both looked fine. A true testament to hardened steel!
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GMC(SW)-USN, Retired
'Earnest Will'
'Desert Shield'
'Desert Storm'
'Southern Watch'
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