5.2 Magnum Piston Question

Here are some pictures of the magnum I have, did not notice any markingsE70B626C-A76B-48DC-9862-8F58A2ED5600.jpegF0230836-8FD5-48DD-AD4D-F3F727D45849.jpegB80330AC-E264-4BC8-A6E5-85F27C2D02FD.jpeg

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