JEFFERSON CITY, Mo. (CBSNewYork/AP) — Missouri Republican gubernatorial candidate Eric Greitens is selling so-called “ISIS hunting permits” to raise money.

Greitens’ campaign distributed an email Wednesday promoting bumper stickers with the words “ISIS HUNTING PERMIT 2016.” The sticker says it expires when “we defeat this evil.”

READ MORE: Lower East Side Residents Protest Construction Of New Luxury Buildings

The campaign is selling the mock hunting tags for a $10 donation. For $100, donors can get stickers signed by a former Navy SEAL who claims he killed Osama bin Laden.

READ MORE: Veterans Ride Horses Across Manhattan To Raise Suicide Awareness

Greitens is a former Navy SEAL officer. He’s touting his military background in his campaign for governor.

He faces a competitive four-way Republican primary Aug. 2. Also running are suburban St. Louis businessman John Brunner, former U.S. Attorney and House Speaker Catherine Hanaway and Lt. Gov. Peter Kinder.

MORE NEWS: Community Leaders, Advocacy Groups Launch 'Boycott Black Murder' Campaign To End Gun Violence

(TM and © Copyright 2016 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2016 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)