These are 9mm WIN MAG blanks designed for use in REAL firearms which have been professionally modified.
If you are looking for 9mm caliber STAGE BLANKS for theatrical firearms, see STAGE BLANKS for the PAK and RK lines.
As a reminder, a blank-firing adapter is required to "cycle" blanks in a gas-operated firearm platform. Without a properly installed blank-firing adapter, the firearm will fire the blank ammunition; however, the firearm must be cycled by hand for subsequent shots. See our bank-firing adapter options here: BLANK ADAPTERS