1-423-361-3818
Gardner's Challenger Service Center LLC
130 Sheri Street
Johnson City, TN 37615
VETERAN OWNED
GARDNER CREW
Michael Gardner
MGYSGT, USMC
Mike served in the United States Marine Corps for 23 years where he was the Drum Major for the Marine Drum & Bugle Corps stationed at Marine Barracks 8th and I, Washington D.C.
He worked at Daniel Boone High school for 22 years as a JROTC Instructor.
Mike became a Crosman Challenger Technician and started Gardner’s Challenger Service Center in 2017. Mike turned over ownership of the company to Michael in January of 2023. Mike will still be serving as a repair technician and front man for the company.
Michael Gardner II
SRA, USAF
Michael served in the United States Air Force, Air Force National Guard, and the Army National Guard. He started working for local law enforcement in 2001.
When the company was founded, Michael took on several positions including administrator of the website and Social Media relations. Michael started working on Vintage Air Guns and in 2019, Michael became a certified Crosman Challenger Technician. In January 2023, Michael assumed ownership of Gardner's Challenger Service Center LLC.
Keegan Gardner
APPRENTICE
Keegan is currently learning the business and has been working on his own air rifles which he has sold. He helps with the media and video recordings. He has been trained to help record velocities, clean airguns, and package shipments. He is currently training to prepare for the day that he becomes the 3rd Generation Gardner's Challenger Service Center certified Crosman Technician.
