The 20/20 scope features a pin groove that keeps the pin straight and the fiber behind the pin, nine 8/32 tapped holes for attaching a light kit, 5/16 mounting slot that accepts a hex or square mounting shaft and 8 pin mounting locations. Kit includes scope housing, lens base, short shade, long shade and peep ring. Filter kit, lens and pin sold separately. Scope diameter 1.750"

Features:Pin groove;Nine 8/32 tapped holes for attaching a light kit;8 pin mounting locations;Kit includes scope housing, lens base, short shade, long shade and peep ring;Filter kit, lens and pin sold separately