Patent ID: 7100318

Claim:
An adjustable firearm support for attachment to a fire arm stock for adjusting the elevation of said firearm stock, comprising: a support leg including a support rod having an upper end extending above the support leg, the length of the support leg being manually adjustable, a positioning block fixed to said upper end of said support rod, said positioning block having a generally circular arc shaped upper surface and at least one recess in said upper surface of said positioning block extending from one side thereof, a base member attached to said firearm stock, the base member including a positioning block slot for pivotably receiving said positioning block for pivoting about the center of said generally circular arc shaped upper surface thereof, such that said support leg may be pivoted into an extended position relatively normal to said firearm stock, said base member further including a positioning pin that is spring biased for protruding from said base member, said positioning pin including a wide portion and a narrow portion and disposed within said base member such that said narrow portion thereof clears said upper surface of said positioning block and also such that said wide portion thereof may be captured by said at least one recess in said generally circular arc shaped upper surface of said positioning block for locking said support leg against rotation thereof, whereby said positioning pin may be manually depressed against said spring to unlock said positioning block so that said support leg may be pivoted and whereby said positioning pin maybe subsequently released from manual pressure when said wide portion of said positioning pin and said at least one recess in said generally circular arc shaped upper surface of said positioning block are aligned to effect subsequent locking of said support leg.