Which part of the M67 Sight Unit is used to adjust elevation?

The elevation adjustment knob on the M67 Sight Unit is designed specifically to make precise modifications in the vertical alignment of the sight. This is crucial for ensuring that the trajectory of the fired round matches the intended target elevation. The elevation adjustment allows the operator to compensate for various factors, such as range to the target and environmental conditions, thus ensuring accurate targeting.

In practical use, the elevation adjustment knob can typically be turned to raise or lower the sight picture, which will in turn adjust the angle at which the weapon is aimed. This functionality is vital for effectively engaging targets at different distances. Proper use of this knob directly impacts the effectiveness of the M67 sight unit, enabling a more accurate point of aim compared to simply relying on mils or holdover techniques.

Other components, while important for overall function, serve different purposes. For example, the deflection locking knob is primarily used to lock the sight in a set horizontal position, while the coarse deflection scale assists in lateral adjustments rather than vertical ones. The cross-level vial is essential for determining the level of the sight unit but does not contribute to elevation adjustments. Understanding these distinctions helps in effectively utilizing the M67 Sight Unit to its full capability.