US Patent 9766035 Firearm accessory mounting adapters

A system for manipulating the engagement interface associated with securing accessories to a firearm. The system includes at least one accessory mount adapter that includes a first side that is constructed to cooperate with an engagement interface defined by a structure, such as a hand guard, that is securable to a firearm. A second side of the adapter defines a second engagement interface that is different than the first engagement interface and is configured to removably cooperate with a firearm accessory.