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Drilling piston for

Old 07-01-2015, 07:21 PM
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Default Drilling piston for gas port mod

Rather than reserrect a many year old thread ( I thought I would ask if there is a current document on this procedure. I think there may have been some photos that are now deleted.

Thank You.


Last edited by kenh3497; 08-20-2015 at 06:50 PM.

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