I'll pull 'em.
The load for these is a 230 grain round nose FMJ on 4.5-.6 grains of Titegroup, mixed brass. I'm afraid trying to find the empties by weight is going to be really iffy. I don't want to pull 200 bullets but I really don't want to risk damaging the gun ramming out half-fired jacketed slugs. Oh well, I've got nobody to blame but myself for not watching as closely as I should. Thankfully it's only 200 and not 2,000!
Thanks for the suggestions.