"Skeleton" Buttstock with Cheek Riser by ME.  The stock is designed for installation on hunting carbines based on AK. instead of the standard stock. Installing the stock allows you to adjust the height of the cheek-piece. Using this stock allows you to significantly improve the ergonomics of the weapon. To install this stock on hunting carbines based on AK, you must use the adapter ME#400025. ME#400027 To install on hunting carbines based on AKS or AKSU, you must use the adapter ME#400026. The stock can be used on hunting carbines that use the 1913 bar to install the stocks. This requires adapters ME#400028 or ME#400029. TECHNICAL SPECIFICATIONS: Overall dimensions of the stock (L × W × H) 225 mm × 23 mm × 120-140 mm Net weight of the stock 262 g ± 5 g (Excluding Adapter) Material: 7075 aluminum Cerakote coating.