UPVC Door Lock (shootbolt)

[LOAM]

Whilst relocating our UPCV (spits) French door I noticed that one of the door leafs is missing its shootbolts on the top.

Does anyone know if you can buy these individually or am I looking at replacing the entire mechanism?

 

[Mark A]

Does it have a shoot bolt on the bottom? On a pair of doors usually its just one leaf that has the shoot bolts, then the other door has hook and roller bolts to lock into the slave leaf.

 

[LOAM]

Yeah its got one on the bottom, it definitely had one on the top as I remember adjusting them when I fitted them a few years ago.