Between UMC and WWB , that's all I ever used. That or recently mfrd surplus. I wouldn't have cared it was a nickel case, but the +P woulda/shoulda caught my attention. If it was a brass case and I was shooting a POS zinc gun, I mighta been in trouble. I trust the mfr has packaged what I bought. I admittedly never check case markings. I visually check OAL, thats it. I should probably change my habits