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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 ...
A C79 Optical Sight. The C79 optical sight (SpecterOS3.4x) is a telescopic sight manufactured by Elcan. A variant, the M145 Machine Gun Optic is in use by the US military. It is 3.4×28, meaning 3.4x magnification, and a 28mm diameter objective lens. A tritium illuminated reticle provides for normal and low-light conditions sighting. [1]
Older cartridges designed specifically for the M79 grenade launcher or the AN/M8 pyrotechnic pistol also remain in inventory. The XM674/M674 is a CS riot control agent cartridge. The unit contains 90-100 grams of CS mixture, with a 2-7 second ignition delay and burn time of 10 to 40 seconds. The round is effective to a distance of 65 to 90 meters.
This deliberately prevents non-armorers to (re)zero the iron sight line. The rotary drum features an open V-notch (numbered 1) for rapid target acquisition, close range, low light and impaired visibility use and three apertures (numbered 2, 3 and 4) used for: 200–400 metres (219–437 yd) in 100 metres (109 yd) increments for more precise aiming.
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.
A co-production with CTV, Sight Unseen stars Lewis as Tess Avery, a top homicide detective who is forced to quit the job after an Sight Unseen Renewed in Canada; The CW’s Plans for Season 2 TBD ...
After the Vietnam War the 105mm tank gun M68 was also provided APER-T ammunition M494. APERS-T rounds in 40×46 mm were also available for the M79, M203, and M320 grenade launchers. Subsequently, it was reported that the USSR had developed similar rounds for 122 mm and 152 mm artillery for use in indirect fire.