A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 Black. The integrated magnet locking mechanism provides a secure fold and the A3T buttplate with rubber pad ensures a stable and comfortable shoulder weld. Specifications for A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1: Manufacturer: A3 Industries Gun Make: Kalashnikov Gun Model: Kalashnikov USA KP-9 Color: Black Features of A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 Left-folding design Offset aluminum stock arm 8.5'' base length Magnet retention system holds the stock securely in the folded position; direct-fit KP9 hinge adapter A3T buttplate with rubber pad Package Contents: A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 What firearm models does the manufacturer say A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 is compatible with? The manufacturer says that A3 Industries Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 is compatible with Kalashnikov USA KP-9A3 Industries DFS-KP9-OFF-BP3: Kalashnikov KP9 Folding AK Stock - Offset Extension Buttplate w/ Magpul #1 Black