IPS/10/2/8 Effects of Temperature

The shooter, the ammunition, and the air density influence the act of shooting. When the ammunition is heated, it will shoot higher due to an increased burn rate, which results in higher velocity. It’s important not to load a round in a hot rifle prematurely, as it will have the same effect. The air density has the most significant impact—as the temperature increases, the density decreases. With less resistance, the velocity increases, causing the point of impact (POI) to be higher—more detailed discussions on the Module 2 course.

Nico van der Merwe

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