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.308 piston swap


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I think its pretty obvious. Drill out the dimples and drill more if it doesn't move... I've done several standard aks and its more a matter of punching the pin and unscrewing with them - placing the new piston, drill new pin hole and replace pin.

 

But why screw with the piston - other than to keep the standard config stock and fcg?

 

A pg conversion eliminates the need for the piston change.

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But why screw with the piston - other than to keep the standard config stock and fcg?

 

A pg conversion eliminates the need for the piston change.

 

Ideally, to install a slightly oversized piston that you could grind down to an exact fit. It would be nice to be able to dish out the face of the piston as well. Of course, that's the Garand/M14 side of me speaking. ;)

 

Basically: to install a match-grade piston... assuming you could find one.

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