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The sight line can be adjusted with a front sight adjustment tool. Moving the front post 1 mm (0.04 in) horizontally results in a 120 mm (4.72 in) shift at 300 m (328 yd). To adjust the average height of the point of impact 5 front posts ranging from 5.9 to 7.1 mm (0.23 to 0.28 in) height in 0.3 mm (0.012 in) increments are available.
The AK-104 uses an adjustable notched rear tangent iron sight calibrated in 100 m (109 yd) increments from 100 to 500 m (109 to 547 yd). The front sight is a post adjustable for elevation in the field. Horizontal adjustment is done by the armory before issue. The AK-104 has a muzzle booster derived from the AKS-74U. [2]
The front sight is a post adjustable for elevation in the field. Horizontal adjustment requires a special drift tool and is done by the armoury before issue or if the need arises by an armourer after issue. The sight line elements are approximately 48.5 mm (1.9 in) over the bore axis.
Open sights generally use either a square post or a bead on a post for a front sight. To use the sight, the post or bead is positioned both vertically and horizontally in the center of the rear sight notch. For a center hold, the front sight is positioned on the center of the target, bisecting the target vertically and horizontally.
Both the front and rear sights on the RPD are adjustable for windage and elevation. The front sight is adjusted up or down for elevation using a tool included in the issued cleaning kit. To adjust the front sight for windage, the smaller of the two wrenches on the multi-tool included in the issued cleaning kit is used to loosen the retaining ...
After the sights have been adjusted, more shots may be fired from a cool barrel forming another group to verify that sight adjustment moved the average bullet placement onto the point of aim. [2] Sighting in has been completed when the group is centered on the point of aim.