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Weapons Familiarization

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Title: Weapons Familiarization Author: suarezs Last modified by: Leandrew J Morant Jr Created Date: 11/5/2003 3:12:18 PM Document presentation format – PowerPoint PPT presentation

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Title: Weapons Familiarization


1
Weapons Familiarization
  • M136 (M287) AT4
  • Rocket Launcher
  • Ref FM 3-23.25
  • STP 21-1-SMCT

2
TASK
  • PREPARE AN M136 or M287
  • LAUNCHER FOR FIRING
  • 071-054-0001

3
CONDITIONS
  • GIVEN AN M136 LAUNCHER (AT4) AND
  • A REQUIREMENT TO PREPARE IT FOR
  • FIRING

4
STANDARDS
  • PREFORM PREFIRE CHECKS ON THE
  • AT4 AND PREPARE THE ROUND FOR
  • FIRING

5
Description
  • Lightweight
  • Self-contained
  • Anti-armor weapon (84mm)
  • Man-portable
  • Recoilless Rifle
  • Fire from right shoulder only
  • Employed in limited visibility
  • One time use Disposable

6
Description (cont)
  • Night Vision Equipped

7
AT4-CS (Confined Space)
  • Reduced back blast area
  • Improves urban combat and maneuvering

8
Technical Data
  • Launcher
  • Length 40 inches
  • Weight 14.8 pounds
  • Rocket
  • Caliber 84mm
  • Length 18 inches
  • Weight 4 pounds

9
Range Of Fire
  • Maximum Range 2100 meters
  • Maximum Effective Range
  • Moving Target 150 meters
  • Stationary Target 300 meters
  • Arming Distance 10 meters
  • Combat Min Distance 10 meters

10
Ammunition
  • Integral rocket type cartridge
  • Time of flight250m lt 1sec
  • Cartridge consist of
  • Fin assembly with tracer element
  • Base-detonating
  • Piezoelectric fuse
  • Warhead body with liner
  • Precision shaped explosive charge

11
Ammunition cont
  • Excellent penetration ability
  • Lethal after-armor effects
  • Extremely destructive
  • Penetrates more than 14 inches of armor
  • Color-coding
  • Black with yellow HE anti-armor round
  • Gold or yellow field handling trainer
  • No band M287 9mm tracer bullet trainer

12
Components
  • Fire-through muzzle cover
  • Front sight
  • Color-coded band
  • Forward safety
  • Rear sight
  • Red trigger button
  • Cocking lever
  • Shoulder stop
  • Transport safety pin
  • Rear seal
  • Carrying sling

13
Inspection
  • M136 is issued as a round of ammunition rather
    than as a weapon
  • Should be inspected at the time of issue and
    before use

14
Inspection cont
  • Rear seal is in place and undamaged
  • Transport safety pin is in place and fully
    inserted
  • Cocking lever is present and in the SAFE position
  • Plastic fire-through muzzle cover is in place and
    undamaged
  • Launcher has the correct color-coded band
  • Sights function properly
  • Forward safety does not move when you depress it
  • Red trigger button is not missing
  • Launcher body has no cracks, dents, or bulges
  • Carrying sling is not frayed and is attached
    firmly to the launch tube
  • Shoulder stop is not broken or damaged, and it
    unsnaps and folds down

15
Operation and Function
  • Mechanism is mechanical
  • Consist of
  • Red trigger button
  • Enclosed firing rod and spring
  • Three safety devices
  • Transport safety pin
  • Cocking lever
  • Forward safety

16
Operation and Function cont
  • The weapon cannot be fired until all three
    safeties have been disengaged
  • Transport safety pin blocks the firing pin from
    striking the cartridge percussion cap
  • Cocking lever attached to the firing rod, is in
    the SAFE position, the firing rod and the trigger
    cannot touch
  • Forward safety blocks the firing rod from
    striking the firing pin

17
Operation and Function cont
  • Remove AT4 from its carrying position and cradle
    it in your left arm
  • Pull and release the transport safety pin
  • Unsnap, unfold, and hold the shoulder stop
  • Place the launcher on your right shoulder and
    stabilized it by grasping the sling near the
    launchers muzzle
  • Open the sights
  • Set rear sight for the correct range to the
    target
  • Check back-blast area before cock the launcher,
    unfold the cocking lever
  • Hold the forward safety down while you fire

18
Restoration to Carrying Configuration
  • If the launcher is prepared to fire, but then is
    not fire
  • Release the forward safety
  • Push forward and to left on the cocking lever
  • Move the launcher from shoulder, ensuring muzzle
    is pointed in the direction of fire
  • With the launcher cradled, replace the transport
    safety pin until it is fully seated in the
    retainer hole
  • Lay down the sights and close their covers
  • Snap the shoulder stop into the closed position
  • Sling the launcher and move to another location

19
AT4 Subcaliber Tracer Trainer
  • M287 is used in place on the AT4 in training
  • Uses the 9mm (M939) training practice tracer
    cartridge
  • The velocity and trajectory match that the AT4s
    HEAT cartridge
  • M287 produces less
  • Noise
  • Backblast
  • Overpressure

20
ANY QUESTIONS ???
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