Posted on August 3, 2019July 18, 2021 by delta — Leave a commentGun Racks / Vaults Tiffin Metal Products Company proudly uses the 110QR Gun Grabber for their weapon racks. The Sentinel line of weapons racks can be customized to accommodate a wide variety of military arms storage, including M4, M9, M16A2, M870, AR series weapons and more. 110QR Installed Gun Racks/Vaults