According to the post by Salty_Mission_820, Daryl's crossbow is a Horton Scout 125 ... then that could mean that the misunderstood hunter has been carrying it with him since he was young, possibly ...

BARNETT WHITETAIL HUNTER CROSSBOW STR WITHOUT CRANK DEVICE: Ultra-compact compound crossbow with complete hunting accessory package. The lightweight crossbow has a manageable profile that hunters ...