The oring is good, but the piston head itself has a significant flat spot on one side. This casting defect doesn’t allow any seal, and have tried with multiple cylinders to check – Next time will stick with SHS.
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Jesse (verified owner) –
The oring is good, but the piston head itself has a significant flat spot on one side. This casting defect doesn’t allow any seal, and have tried with multiple cylinders to check – Next time will stick with SHS.