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The front sight is a fixed blade. The rear sight on the M79 is a folding ladder–style leaf sight. When folded, the leaf sight acts as a fixed sight at close range. A grenadier may simply point and shoot with high accuracy. When unfolded, the leaf sight can be adjusted for ranges from 75 to 375 meters, in 25-meter increments.
The pump-action grenade launcher features leaf iron sights similar to the M79. The front sight is a fixed square notch. Depending on if the leaf is folded or not, the rear square notch is either fixed or adjustable from 75 to 400 m in 25 m increments. [1] The larger screw on the left side of the receiver was designed for a quadrant sight to be ...
This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
The M203 grenade launcher system comes with a variety of components, usually including the launcher, adapters for attachment to assault rifles, and leaf sights (which can be used with the rifle's front sight post). M203s can also come with quadrant sights, mounting to an MIL-STD 1913 Rail, or to the carrying handle of an M16 rifle.
Iron sights are a system of physical alignment markers used as a sighting device to assist the accurate aiming of ranged weapons such as firearms, airguns, crossbows, and bows, or less commonly as a primitive finder sight for optical telescopes. Iron sights, which are typically made of metal, are the earliest and simplest type of sighting device.
Modern launchers often have the option of mounting more sophisticated aiming systems, such as ballistic rangefinders and day / night sights. As with the M79, the concept of mounting a dedicated grenade launcher to a service rifle has its roots in the Special Purpose Individual Weapon program; though the experimental Colt XM148 grenade launcher ...
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For comparison, the single-shot M79 grenade launcher weighs 2.93 kg (6.45 lb). Regardless of their weight, AGLs are still highly effective, and the Mark 19 is capable of indirect fire up to 2,200 metres, a role traditionally reserved for mortars. Even though the round carries less explosive than a 60mm mortar shell, this is thought to be ...