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Rifleman's rule is a "rule of thumb" that allows a rifleman to accurately fire a rifle that has been calibrated for horizontal targets at uphill or downhill targets. The rule says that only the horizontal range should be considered when adjusting a sight or performing hold-over in order to account for bullet drop.
Sighting in a firearm is an important test of the ability of the firearm user to hit anticipated targets with available ammunition. Pictures or silhouettes of intended targets are less suitable for sighting in than high contrast shapes compatible with the type of sights on the firearm. Contrasting circles are commonly used as sighting in ...
Known also as "battle zero", maximum point-blank range is crucial in the military. Soldiers are instructed to fire at any target within this range by simply placing their weapon's sights on the center of mass of the enemy target. Any errors in range estimation are effectively irrelevant, as a well-aimed shot will hit the torso of the enemy ...
The M21 sniper weapon system (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8] It is chambered for the 7.62×51mm NATO cartridge.
Originally "zero", meaning 6400 mils, 360 degrees or their equivalent, was set at whatever the direction the oriented gun was pointed. Firing data was a deflection or switch from this zero. The other method was to set the sight at the actual grid bearing in which the gun was oriented, and firing data was the actual bearing to the target.
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Target for a rifle at 50 meter shooting range. Based on ISSF technical rules. The target: total Ø = 154.4 mm. 4 ring Ø = 106.4 mm. 9 ring Ø = 26.4 mm. 10 ring Ø = 10.4 mm, height 0.75 m above the floor. Date: 17 April 2006: Source: Own work: Author: Stanisław Skowron
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