PDI 9MM Spring Tensioner (Delrin)

Article number: 4560249630728
Availability: In stock
Delivery time: Worldwide Fast Shipping !

This rings absorb any friction & can adjust the output level a little.
We choice the Delrin because its more durable ,less friction & cheaper material. 
If you use too many adjusters, the rifle may not be cocking.
This is for 9mm Spring guide only.
Thickness is 2mm. 

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