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