- For use with 21-1 leather pistons in 2″ diameter bulk guns.
- The most economical way to reduce leakage or blow-by in a bulk gun.
- When placed inside the face of a piston cup, below the small steel washer, it creates a tighter seal against the inside of the gun barrel.
- For full kit see 47-13
2″ Finger-Type Piston Cup Expander
Original price was: $3.18.$2.26Current price is: $2.26.
Sale!43 in stock
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