JMac Customs TS-9P Stock 5.5mm Folding Aks w/Rubber Butt Pad Black TS-9P+SM-5.5. 5 is specifically made for the Russian 5.5mm pin folding stocks. 5.5mm trunnions can be found in the SGL (Saiga) rifles and on the new KUSA vityaz clone not to mention the...