$7
The eyepiece of the sight performs two main tasks when gunfire.
In aggregate with an optical sight or a universal sighting complex (Collimator sight in combination with an optical magnifier 3 or 4 multiple).
А) allows the eye of the shooter as much as possible
refocus attention on the target
B) will provide some distance from the eyepiece of the scope to shooter eye, that in turn will be protected from impact when impacted, also it is can be important on carbines that use spring loaded of buttstock.
Inner diameter: 37 mm
External diameter: 42 mm
Length of eyepiece: 80 mm
Option № 1
Inner diameter: 33 mm
External diameter: 39 mm
Length of eyepiece: 75 mm
Installation of eyepiece on the optical sight