5.56mm Launching Cartridge M195 WANTED

Used for line throwing purposes. Need 1 or 2 loose rounds and preferably a box (full, partial or empty).
These should have red sealant on tip and no knurling on the case, but otherwise look like 5.56mm “noice blank.”

Needed for article for IAA Journal.
Can pick up at SLICS.

THANK YOU!