The Stack-On Pistol / Ammo Steel Cabinet with Key Lock is perfect for holding pistols, ammo, supplies and valuables. This cabinet is California DOJ-approved firearms safety device. California approved firearms safety device that meets the requirements of California Penal Code Section 12088 and the regulations issued thereunder. Large locking cam passes through steel door and is secured behind the steel door frame. Pre-drilled mounting holes allow for easy attachment to floor, ceiling, wall or other Stack-On pre-assembled gun cabinets.