Compatible with Cronus BTR and Cronus 4.5-29x56mm riflescope, black matte surface finish, and 3 inches long. Compatible with Cronus BTR and Cronus 4.5-29x56mm riflescope, brown surface finish, and 3 inches long. Compatible with Ares ETR 4.5-30x56mm riflescope, black matte surface finish, and 4 inches long. Compatible with Ares ETR 4.5-30x56mm riflescope, brown matte surface finish, and 4 inches long. Compatible with Ares BTR, Midas BTR, & Midas TAC 50mm riflescope, black matte surface finish, and 4.25 inches long. Compatible with Helos BTR , Argos BTR, and Talos BTR 50mm riflescope, black matte surface finish, and 4.5 inches long. Compatib Mfg: Athlon Optics
