I am honored with the number of individuals who have told me that they are bullet voting for me. I am doubly honored by the endorsements of thought leaders in the Second Amendment community that are also bullet voting for me and encouraging others to vote that way.
You might try contacting Stephen Gutowski of TheReload.com
He may not offer an endorsement but could certainly write about your campaign and might feature you on his podcast.
Adding endorsement by former NRA director Rocky Marshall on Steve Gutowski' s The Reload podcast (requires subscription) https://thereload.com/podcast-former-nra-board-member-rocky-marshall-on-the-groups-legal-struggles/
Added an endorsement by Gun Politics NY Blog