5KU Folding Stock Pipe Adapter for AK Series For CYMA / LCT / GHK ( AK to M4 Adaptor with Buffer Tube ) ( Black )
Buffer Tube Adapter for 4.5mm Folding AKs - JMac Customs LLC
AK to M4 Stock Adapter - RD
Zastava AK Pistol Buffer Tube Adapter SALE - AtlanticFirearms.com
Avengers AK to M4 Stock Adaptor w/ Buffer Tube for E&L AK Series Airsoft Rifles, Accessories & Parts, External Parts, AK External Parts, AK Stocks - Evike.com Airsoft Superstore