A3 Industries Kalashnikov KP9 Folding AK Stock - Straight Extension w/Xtendo Narrow Buttplate 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 - Straight Extension w/Xtendo Narrow Buttplate: Manufacturer: A3 Industries Gun Make: Kalashnikov Gun Model: Kalashnikov USA KP-9 Color: Black Features of A3 Industries Kalashnikov KP9 Folding AK Stock - Straight Extension w/Xtendo Narrow Buttplate Left-folding design Traight 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 - Straight Extension w/Xtendo Narrow Buttplate What firearm models does the manufacturer say A3 Industries Kalashnikov KP9 Folding AK Stock - Straight Extension w/Xtendo Narrow Buttplate is compatible with? The manufacturer suggests that A3 Industries Kalashnikov KP9 Folding AK Stock - Straight Extension w/Xtendo Narrow Buttplate is compatible with Kalashnikov USA KP-9A3 Industries DFS-KP9-STR-BP5: Kalashnikov KP9 Folding AK Stock - Straight Extension w/Xtendo Narrow Buttplate Black