81mm mortar range table

(4) Extra increments are removed if the cartridge is to be fired with less than full charge. Do not burn increments in piles but spread them in a train 1 to 2 inches deep, 4 to 6 inches wide, and as long as necessary. The squad leader picks up the sight case and the two aiming posts, and moves to the exact position where the mortar is to be mounted. MFCS Mounted. The cannon assembly consists of the barrel that is sealed at the lower end with a removable breech plug, which houses a removable firing pin (Figure 4-3). It is fitted with a safety wire and pin that are removed immediately before firing. PDF Principles of Fire Support B2c0289xq Student Handout c. The elevating shaft is contained in the elevating leg; to the left of the elevating leg is the elevating handwheel. e. Dummy. Figure 4-4. The explosive elements in primers and fuzes are sensitive to shock and high temperature. a. (2) The M524-series fuze has two function settings: superquick/impact (SQ/IMP) and delay. b. An 81 mm mortar is a medium-weight mortar. M252 81mm Mortars The M252 81mm medium extended range mortar (see diagram below) is a crew-served, smooth bore, muzzle loaded, high angle of fire weapon system. The barrel clamp, which consists of an upper and lower clamp, is situated at the top. REFER DEFLECTION TWO EIGHT SEVEN FIVE (2875), REALIGN AIMING POSTS. He exposes 4 inches (100 millimeters) of elevation shaft and folds the handle. The ignition cartridge has a percussion primer and is assembled to the end of the fin assembly. Features: The M252 81mm Medium Extended Range Mortar is a crew-served, medium weight mortar which is highly accurate and provides for a greater range (4,500 meters to 5,650 meters) and lethality than the previous 81mm mortar. b. (2) The breech plug is screwed tightly to the barrel. They should not be approached for 5 minutes or disturbed for at least 30 minutes after firing. .50 MACHINE GUN, M55 AND MACHINE GUN, CAL. 1:4 For the 81MM Mortar System: X NSN (LIN): 1015-01-441-3113 : STAFF SECTION, CLEANING, ARTILLERY 1:4: The mortar is then re-laid on the aiming posts using the traversing crank. The mortar also offered the promised increase in range as well, allowing fire teams to engage the enemy at distance. The gunner is given a deflection change between 5 and 25 mils, either increasing or decreasing from the last stated deflection, and the command to refer and realign aiming posts. (4) The bipod locking latch is locked, securing the barrel clamps.

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