pf2e.fyi
From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Crescent Cross

ITEM 0
Price 4 gp
Usage held in 1 hand
Bulk 1
Category martial
Group bow
Damage 1d6 piercing
Range 30 ft.
Reload 1

A crescent cross combines a small scizore with an arm-mounted crossbow apparatus that can hold up to three bolts at a time.

Pathfinder Treasure Vault (Remastered)ORC