「O & Y-Ring For APS piston / APS-2」
PRODUCT CODE:631
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For PDI APS Piston(HD/VC).
Normaly ,That piston is installed O ring,but use this Y ring,you'll find smooth pulling the bolt.
But Y ring is required a little trick to install the cylinder,so it's not for beginners.

Sale \ 487
We deem to get your agreement for the below policy when you place an order.
Qty

Please read the below policy
We deem to get your agreement for the below policy when you place an order.
○We couldn't assure the trouble with your lack of skill.
○It may be required to adjust to fit because our custom parts reduce the clearance of normal parts to lead the best condition.
○Do not use the 3rd party products.Because we design with Normal parts or PDI-products.
　If you ignore our rule & breake up your guns、we couldn’t be responsible.
○It is possible to change the spec or design.