US Patent 9488434 Stock-firearm interface

A stock-to-firearm interface for mounting a stock to a firearm is disclosed. In one example, a stock-to-firearm interface for mounting a stock to a firearm is provided. The stock-to-firearm interface may have a proximal end, and a distal end shaped to interface with a recess in a firearm. The distal end may have a modifiable firearm mount shaped to at least partially fit within the recess, and may have an adjustable maximum profile. The stock-to-firearm interface may mount one of a folding stock and a fixed stock to a firearm.