Abstract: Apparatus, systems, and methods for a rotatable firearm stock. The stock includes a first grip portion configured to be attached to a firearm receiver. The stock includes a second grip portion having a first axis of rotation. The stock includes a first connection interface between the first grip portion and the second grip portion. The first connection interface enables the second grip portion to be connected to the first grip portion in more than one angular orientation about the first axis of rotation. The second grip portion includes a second axis of rotation. The stock includes a butt stock positioned adjacent to the second grip portion. The stock includes a second connection interface between the second grip portion and the butt stock. The second connection interface enables the second grip portion to be connected to the butt stock in more than one angular orientation about the second axis of rotation.

Abstract: A firearm stock connection system that includes a grip with a first hole, a stock system with a second hole, and a button positioned within the first hole and extending through the second hole in an extended position. The stock system may include a frame member, a plate, an extender tube, and a lock. The extender tube may be threaded onto a threaded projection of the plate. The lock may prevent rotation of the extender tube with respect to the threaded projection. The extender tube may include structures that engage a portion of the lock. The structures may be a plurality of slots. The stock system may include a recoil device. The recoil device may be filled with gas. The grip may include a first end, a second end, a gap positioned between the first and second ends, and a bolt aperture extending from the first end to the gap.

Abstract: A firearm stock connection system that includes a grip with a first hole, a stock system with a second hole, and a button positioned within the first hole and extending through the second hole in an extended position. The stock system may include a frame member, a plate, an extender tube, and a lock. The extender tube may be threaded onto a threaded projection of the plate. The lock may prevent rotation of the extender tube with respect to the threaded projection. The extender tube may include structures that engage a portion of the lock. The structures may be a plurality of slots. The stock system may include a recoil device. The recoil device may be filled with gas. The grip may include a first end, a second end, a gap positioned between the first and second ends, and a bolt aperture extending from the first end to the gap.

Abstract: An automatically adjustable comb for a firearm that extends a predetermined distance from an initial position, flush with the top of a stock, when the firearm moves to a predetermined angular orientation. The automatic adjustable comb may include a detector that detects when the firearm and/or comb has moved to a predetermined angular orientation with respect to a horizontal orientation. The detector may actuate an actuator to extend the comb the predetermined distance from the initial position. The extension of the comb elevates the top of the comb with respect to the top of the stock. The user may be able to vary both the predetermined angular orientation and the predetermined distance. The detection device may detect when the firearm is lowered to a horizontal orientation from an elevated angular orientation causing the actuator to lower the comb so that it is flush with the stock of the firearm.

Abstract: An automatically adjustable comb for a firearm that extends a predetermined distance from an initial position, flush with the top of a stock, when the firearm moves to a predetermined angular orientation. The automatic adjustable comb may include a detector that detects when the firearm and/or comb has moved to a predetermined angular orientation with respect to a horizontal orientation. The detector may actuate an actuator to extend the comb the predetermined distance from the initial position. The extension of the comb elevates the top of the comb with respect to the top of the stock. The user may be able to vary both the predetermined angular orientation and the predetermined distance. The detection device may detect when the firearm is lowered to a horizontal orientation from an elevated angular orientation causing the actuator to lower the comb so that it is flush with the stock of the firearm.