US Machinegun: *Modular Lite Rear Folding Stock and Adapter for Yugo M92/M85, AK-47 PAP YUGO /M92/M85 NP/YUGO / CENTURY ARMS / ZASTAVA PISTOL UPGRADES, M92-SSFLD
Saiga/Vepr/AK based Rifles folding stock adapter for AR15 tube.
US Machinegun: 6 Position Side Folding (M4) Stock with Adapter for Yugo M92/M85, AK-47 PAP YUGO /M92/M85 NP/YUGO / CENTURY ARMS / ZASTAVA PISTOL UPGRADES, YGO-SF6P
AK Folding Stock Tube - VISM
ohhunt AK Side Folding Butt Stock Adaptor Mount Aluminum Fit AR15 M4 A
Stamped Reinforced AK Side Folding Tube - Kalashnikov USA
Armacon AK/Saiga Folding Stock to M4 Stock Adapter - 4Shooters
Ace SM-AR Folding Stock Mechanism, for AK Rifles, AR to AK Stock Adapter, DoubleStar Ace, U.S. Made, 841348101956, DS-A504, RTG Parts
Magpul Zhukov-S Folding Stock AK-47 AK-74 Polymer Flat Dark Earth
Alpha Series Folding Stock - Midwest Industries, Inc.
Tactical Ak47/74 Side Folding Stock Adapter 7.62 X 39 Hunting Accessories - Hunting Gun Accessories - AliExpress
Buffer Tube Adapter for 4.5mm Folding AKs - JMac Customs LLC