This is new accessories in the market 

high quality aluminium 

converting 9-10-11mm dovetail To 20mm weaver Picatinny Rail Adaptor 

1x 100mm length

Please note before you buy

This is design only for PCP air rifle only

It will move on springer gun or fire arms. 

If you mount it on 

9mm weaver the picatinny will be 20.50mm

If you mount it on 

10mm weaver the picatinny will be 21.50mm

If you mount it on 

11mm weaver the picatinny will be 22.80mm

Does not include arrestor pin

So please before you buy make sure your scope 

mount will open to that size picatinny.  

Discount available in large quantity 

Please view my other items if you need  different items we can combine the shipping for you.