The M72 consists of a lightweight, telescoping, single shot, throwaway tube made of aluminium and fibreglass, with a mechanical sight
and a firing mechanism.
Shooters use recurve bows with mechanical sights
and stabilizers, but optical enhancements such as magnified scopes are prohibited.
point shooting) Focusing on the target and instinctively shooting any long gun without the aid or use of mechanical sights
Optical and mechanical sights
available for modern crossbows feature multi-range sighting points, typically set for twenty-yard, thirty-yard and forty-yard distances.
Some of the basic, low-priced models may have mechanical sights
, and some manufacturers of high-end crossbows offer several options to choose among.