Axcel AccuView AV-25 Scope Black. Accepts Axcel sight pins lenses and other accessories. Includes "T" Connection rod for use with Axcel sights 10-32 stainless rod and lens retainer ring. Available in 25mm (uses 29mm lens) 31mm and 41mm. Package Contents: Axcel AccuView AV-25 Scope Aluminum scope housing with built in level. Accepts Axcel sight pins lenses and other accessories. Includes T Connection rod for use with Axcel sights 10-32 stainless rod and lens retainer ring. Available in 25mm (uses 29mm lens) 31mm and 41mm.