Patent ID: 7823315

Claim:
A method of substituting a stock in a long gun comprising the following steps: a. attaching an adaptor assembly to a receiver assembly of a long gun; b. removably attaching an initial stock to an adaptor base of the adaptor assembly to interconnect the stock to the receiver assembly; c. unlocking the adaptor base from the initial stock by: i. lifting a locking pin, located within the adaptor base, without the use of tools; ii. rotating the locking pin, from an initial orientation, without the use of tools; d. removing the initial stock from the unlocked adaptor base; e. mounting a substitute stock onto the adaptor base; f. locking the substitute stock and adaptor base together by: i. rotating the locking pin back to its original orientation without the use of tools; ii. pushing back down the locking pin to interconnect the substitute stock to the receiver assembly; and g. during steps (a)-(f), retaining the locking pin always within the adaptor base.