Choate Tool Sks P.G. Telescoping Pistol Grip Stock7.62 X 39. We used a steel adapter housing to allow the M4 stock to be attached to the SKS pistol grip stock. This stock offers the most versatile length of pull you will find. It will go from youth to adults length of pull with just a pull on the stock Specifications for Choate Tool Sks P.G. Telescoping Pistol Grip Stock: Manufacturer: Choate Tool Gun Model: M4 Country of Origin: USA Features of Choate Tool Sks P.G. Telescoping Pistol Grip Stock SKS M4 Telescoping Pistol Grip Stock Package Contents: Choate Tool Sks P.G. Telescoping Pistol Grip Stock What firearm models does the manufacturer say Choate Tool Sks P.G. Telescoping Pistol Grip Stock is compatible with? The manufacturer suggests that Choate Tool Sks P.G. Telescoping Pistol Grip Stock is compatible with M4Choate Tool CMT-18-01-06: Sks P.G. Telescoping Pistol Grip Stock7.62 X 39