JMac Customs RSA-5.5mm Rear stock adapter

JMac Customs RSA-5.5mm Rear stock adapter JMac Customs RSA-5.5 rear stock adapter for 5.5mm folding stocks. These will fit Kalashnikov USA KP-9 Pistol and KR-9 Rifles as well as some other variants with 5.5mm rear trunnion hinge pins, Like Izhmash side folders, etc. This also features a Black hard anodized finish.