Spawn weapons with attachments inside zombies

[steam-76561198258088584 0]

Like the title suggests im trying to spawn weapons inside the zombies. I manage to get the guns in various conditions but always bare bones.

<spawnabletypes>
  <type name="ZmbM_PatrolNormal_PautRev">
    <cargo preset="weaponTest"/>
  </type>
 </spawnabletypes>


<cargo chance="1.00" name="weaponTest">
  <item name="M4A1" chance="0.5">
    <attachments chance="1.00">
      <item name="M4_OEBttstck" chance="1.00" />
    </attachments>
  </item>
  <item name="UMP45" chance="0.5"/>
</cargo>