Rolling shutter locking system

A locking system for a rolling shutter comprising a plurality of rolling shutter slats, the locking system comprising:

• a base slat coupled to the plurality of rolling shutter slats, and having one or more slat openings;
• a guide track comprising a U-shaped guide channel having a channel base, and first and second channel walls, wherein the U-shaped guide channel is sized and shaped to receive the rolling shutter slats, and the rolling shutter slats are moveable longitudinally within the U-shaped guide channel;
• a sleeve positioned in the base slat and slidable transversely within the U-shaped guide channel, the sleeve having first and second sleeve openings;
• a lock bar slidable transversely within the U-shaped guide channel between locked and unlocked positions, the lock bar slidably received in the first sleeve opening, wherein the lock bar in the locked position extends transverse to the channel base;
• a stop bar slidable transversely within the U-shaped guide channel, the stop bar slidably received in the second sleeve opening;
• a lock moveable between extended and retracted positions, the lock bar positioned on and slidingly coupled to the lock;
• and
• a fastener releasably securing the lock to the lock bar;
• wherein the lock and lock bar are positioned in the base slat, movement of the lock to the extended position slides the lock bar to the locked position, and the lock bar in the locked position and the fastener are accessible through the one or more slat openings to slide the lock bar on the lock to an adjusted position and secure the lock bar to the lock in the adjusted position;
• and wherein the lock bar and the stop bar are coupled to the sleeve, and adjustment of the locked position of the lock bar in the base slat also adjusts a position of the sleeve and the stop bar.