Practical Guide to the Operational Use of the M79 Grenade Launcher. Erik Lawrence
scale. To lock the sight carrier in position, release the pressure on the retainer locknut and turn the nut clockwise until it stops.
5)Elevating Screw and Screw Wheel. Use the elevating screw and screw wheel to make fine adjustments in elevation. Turn the wheel clockwise to increase the elevation setting, counterclockwise to decrease it. Turning the screw moves the sight carrier along the elevation scale. One complete turn (one click) moves the impact of the round about 2 1/2 meters at a range of 200 meters.
6)Rear-sight Frame with Fixed Sight. When the rear sight frame is in the DOWN position, use the fixed sight to engage targets up to 100 meters away.
B.Front Sight. Figure A-4 shows the stationary front sight, which has a tapered blade and two blade guards.
Figure 1-4 Front sight
C.Safety. To fire the launcher, ensure the safety is positioned forward (A, Figure 1-5) with the letter "F" visible near the rear of the safety. It will not fire if the letter "S" is visible. The safety automatically engages when you unlock the barrel-locking latch and open the breech (B, Figure 1-5).
D.Trigger and Trigger-Guard Detent Assembly. Figure A-6 shows the locations of the trigger and trigger guard. Depress the detent assembly to move the trigger guard right or left or to fire when wearing gloves or mittens.
Figure 1-6 Position of trigger and trigger guard
E.Barrel-locking Latch and Lever. Figure 1-7 shows the barrel-locking latch on top of the receiver. This latch locks the barrel and the receiver together. To open (break) the breech end of the barrel, press the latch lever all the way to the right.
Figure 1-7 Operation of the barrel locking latch
Конец ознакомительного фрагмента.
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