Shoulder your firearm comfortably by adding the Strike Industries Viper Mod-1 Rubber Butt Pad to your Viper stock (stock sold separately). It's made from a lightweight and slim hard polymer frame to keep the bulk to a minimum. Plus, the textured TPE rubber is built to withstand impact. StrikeIndustries Strike Industries Viper Mod-1 Rubber Butt Pad - Gun Cases And Racks at Academy Sports