US Machinegun: Buffer Tube Threaded Stock Adapter for AK-47 C39 & RAS PISTOL, AK-47 CENTURY ARMS C39, C39 V2 & RAS47 PARTS AND UPGRADES, CA-C39AR
Improved AK – Rifle Dynamics AK to M4 Stock Adapter Install | 8541 TACTICAL
AK to AR Stock Adapter
SB Tactical BA-AKNT Brace Adapter - For installation of buffer tubes and receiver extensions on AK47/
US Machinegun: Rear Adapter with Tactical Pistol Buffer Tube for AK Yugo M92/M85, AK-47 PAP YUGO /M92/M85 NP/YUGO / CENTURY ARMS / ZASTAVA PISTOL UPGRADES, YGO-PSTL
BA-AKNT Brace Adapter | SB Tactical
RIFLE STRIKE INDUSTRIES AK TO AR BUFFER TUBE ADAPTER BLACK ALUMINUM - Brownells UK