Don't know about metals but I've just had a quick glance at some of the Perry plastic boxed sets and most of the command sprues seem to have separate drums.
Come on Harry, those Confederate Command sprues only cost a Pound. Don't tell me you're that hard up! lol
Right I've just been up the shed and looked through my spares box, I've got one and I've even got a spare Assegai with the tip broken off ( which won't matter because it's going to be thrust into the drum).
Pm me your address and I'll send it to you, I don't want anything for it maybe you can return the favour in the future if I ever need anything.
Jeff
But, then again I am a Yorkshireman...