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On my fas6004

July 14 2017 at 9:04 PM
Longbow  (Login Longbow29)
YF12


Response to Stuffing the HW40/P3/P17 piston

I made a new adjustable piston to play with the head space. I made a very snug print glad the fit the x ring I used. I reduced the piston face to gland to less than .010". So lost space was very small.
And it still didn't like 0 head space.

You could put a teflon back up ring behind the oring to reduce the loss

 
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