MODULAR FIREARM STOCK SYSTEM

摘要

A modular firearm (F) is disclosed. The firearm that can be configured to operate using ammunition of different calibers via interchangeability of only a few parts. The firearm (F) includes a foldable butt stock assembly (400) for quickly and easily converting the firearm (F) from an extended operating configuration to a compact transport configuration, and vice-versa. Additionally, the firearm (F) includes a modular hand guard assembly (500) having multiple mounting platforms (512, 514, 516, 518, 520, 522, 524, 526) for accommodating a variety of different accessories.