GrovTec US Inc Heavy Duty Push Button Bases are designed for to-stock mount applications. Precision-machined from steel with a durable black oxide finish, these bases provide a secure mounting method for push-button swivel setups on firearm stocks. Package includes a 2-pack set (2 count) engineered for reliable retention and long-lasting strength. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.