RS Regulate Full Length Lower Modular Side Mount Fits AKM Type Rifles Matte Finish Black Not Compatible with Folding Stocks. 58s. Specifications for RS Regulate Full Length Lower Modular Side Mount Fits AKM Type Rifles Matte Finish Black Not Compatible with Folding Stocks: Manufacturer: RS Regulate Color: Black Finish: Matte Black Additional Features: AKM Type Rifles Side Mount Condition: New Handle Color: Black Blade Finish: Matte Case Finish: Matte Features of RS Regulate Full Length Lower Modular Side Mount Fits AKM Type Rifles Matte Finish Black Not Compatible with Folding Stocks: Full Length Lower Package Contents: RS Regulate Full Length Lower Modular Side Mount Fits AKM Type Rifles Matte Finish Black Not Compatible with Folding Stocks