One of my friends had difficulties finding buttpad spacers for his TRG-22, so I created a 3D Printable design of one in case anyone is interested:
cults3d.com
I can also print one out for $15 + shipping for you (if you want more than one PM me)
/https://fbi.cults3d.com/uploaders/26489824/illustration-file/1dc62e71-cae8-4fc5-9988-57be93a790e6/AX-Buttpad-Spacer-v32_top.png)
Sako STG-22/STG-42 Buttpad Spacers (10, 15mm)
Sako STG-22/STG-42 10mm & 15mm Buttpad Spacers You can find longer bolts for mounting here: https://www.boltdepot.com/MetricsocketcapClass12.9alloysteelblackoxidefinish4mmx0.7mm.aspx
I can also print one out for $15 + shipping for you (if you want more than one PM me)