A locking mechanism for a rotating cylindrical assembly in a weapons storage system. The locking mechanism includes a shaft fixed to a base. A sear hub is concentrically fixed to the shaft and has a notch on a peripheral surface. A stop rotates on the rotating cylindrical assembly between a first locked position and a second unlocked position. A stop plate is concentrically fixed to the shaft that has a first arm that engages the stop shaft in the first locked position, and a second arm that engages the stop shaft in the second unlocked position. A sear lock is provided that pivots into and out of the notch in the sear hub. A lock body is provided that pivotally attached to the sear lock. When the lock body is actuated, the projection of the sear lock is thrust into a notched indentation in the sear hub thereby blocking the sear hub from being rotated.

Revolving door system (610) and method for controlling a revolving door system (610). The revolving door system (610) comprises a plurality of revolving door wings (D1, D2, D3, D4) pivotally connected a central column (690) and a securing mechanism arranged to in an engaged state fix the position of the revolving door wings (D1, D2, D3, D4) relative the central column (690) and in a disengaged state release the revolving door wings (D1, D2, D3, D4) to enable pivoting of said revolving door wings relative the central column (690).

Receptacle locking devices are disclosed. A receptacle locking device having a contact arm and a pivoting feature can be pivoted from a first, unlocked position to a second, locked position, wherein the contact arm prevents opening of the receptacle door when the locking device is in the second, locked position.

Receptacle locking devices are disclosed. A receptacle locking device having a contact arm and a pivoting feature can be pivoted from a first, unlocked position to a second, locked position, wherein the contact arm prevents opening of the receptacle door when the locking device is in the second, locked position.