A CrossBow Turret to the Electrical System would be nice.
Even a unique feature of allowing it to use all CrossBow Bolt options, unlike its SMG and ShotGun counter parts, since the Bolts themselves don't affect CrossBow durability regardless of Bolt type, unlike SMG and ShotGun ammo types.
A CrossBow turrets Lower Fire rate could balance out any OP'ness that may exist when Flame or Explosive arrows are equipped on top of a higher miss chance verses running zombies.
Even a unique feature of allowing it to use all CrossBow Bolt options, unlike its SMG and ShotGun counter parts, since the Bolts themselves don't affect CrossBow durability regardless of Bolt type, unlike SMG and ShotGun ammo types.
A CrossBow turrets Lower Fire rate could balance out any OP'ness that may exist when Flame or Explosive arrows are equipped on top of a higher miss chance verses running zombies.