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FMF 109 Weapon Fundamentals

Terms in this set (99)

Four weapon safety rules
Treat every weapon as if it were loaded
Never point a weapon at anything you do not intend to shoot
Keep your finger straight and off the trigger until you are ready to fire
Keep weapon on safe until you are ready to fire
How many weapon condition codes are there?
Four
Condition 1 (M9,M16A, M4)
Magazine inserted, round in chamber, slide/bolt forward, safety on (ejection port closed)
Condition 2 (M9, M16A, M4)
Does not apply
Condition 3 (M9, M16A, M4)
Magazine inserted, chamber empty, slide/bolt forward, safety on (ejection port closed)
Condition 4 (M4, M16A, M4)
Magazine removed, chamber empty, slide/bolt forward, safety on (ejection port closed)
Immediate Actions
Are the prompt actions taken by the user to correct the stoppage.
Tactical Immediate actions for, M9 failure to fire when the slide is fully forward.
- ensure the safety is in the fire position
- ensure the magazine is fully seated; retract the slide to the rear and release.
- if still does not fire, remove magazine and eject the round in chamber, insert new magazine, chamber new round and attempt to fire.
Non-tactical Immediate actions for, M9 failure to fire when the slide is fully forward
clear/unload the M9
Immediate actions for when slide is not fully seated forward
- remove finger from trigger and attempt to push slide forward with non firing hand.
if slide will not move:
- place weapon on safe.
- remove magazine
- retract slide to the rear and lock it with slide lock
- inspect chamber and bore and remove any obstructions
- insert a loaded magazine and release slide
- place weapon on fire, sight in and attempt to fire
description M9
Semi automatic, magazine fed, recoil operated, double action pistol.
M9 Caliber
9mm NATO
M9 maximum effective range
50 meters
M9 Maximum range
1800 meters
M9 Magazine
staggered, 15 rounds capacity
Immediate action and remedial actions for M16A and M4
Tap - Rack - Bang.
- slap upward on the magazine
- pull the charging handle all the way to the rear, observing the ejection of the case or cartridge.
- if chamber is clear, release charging handle feeding new round into the chamber.
- tap the forward assist
Description M16A and M4
a light weight, gas operated, air cooled, magazine fed, shoulder fired weapon that can fire in semi-auto and auto of 3 round burst
M16A1 / M4 Caliber
5.56mm
M16A1 / M4 maximum effective range
550 meters point target, 800 meters area target
M16A1 / M4 Maximum range
3600 meters
M16A1 / M4 Magazine
staggered 30 round magazine
M16A1 / M4 cycle of operations
gas operated, semi-auto and 3 round burst
Condition 1 for M1014 shotgun
safety on, round in chamber, magazine tube loaded, bolt forward
Condition 2 for M1014 shotgun
does not apply
Condition 3 for M1014 shotgun
safety on no round in chamber, magazine tube loaded, bolt forward
Condition 4 for M1014 shotgun
safety on, no round in chamber, magazine tube empty, and bolt forward
Unload or ammo switch
both the chamber shell and the shell on the carrier must be removed.
Description of the M1014
Semi automatic with a fixed magazine tube, it uses the ARGO - auto regulated gas operated, twin operated system with rotating bold head and dual locking lugs
M1014 caliber
12 gauge
M1014 Maximum range and max effective range
depends on the ammo used
M1014 Magazine
fitted of seven 2.75 inch shells or six 3 inch shells
M67 grenade description
fragmentation hand grenade, used to produce casualties by high velocity projection of fragments
M67 filling
Composition B
Detonation mechanism
pyrotechnic delay M213 fuse
Fuse delay
4 sec
Casualty radius
15 meters
Fatality radius
5 meters
M203 grenade launcher
a lightweight, single-shot, breech-loaded, pump-action, shoulder fire weapon that can be attached to either M16A1 or M16A2
M203 maximum range
400 meters
M203 maximum effective range
350 meters for fire team target
150 meters for vehicle or weapon point target
M203 minimum safe firing range
training 165 meters, combat 31 meters
M203 rate of fire
5 to 7 rounds per minute
M203 Condition 1
round in chamber, action is closed, and the weapon is on safe
M203 Condition 2 and 3
does not apply
M203 condition 4
chamber clear, that action is closed and weapon is on safe
M249 Squad automatic weapon description
gas operated, air cooled, belt or magazine fed, automatic weapon that fires from the open bolt position
M249 maximum range
3600 meters
M249 maximum effective range
point target 800 meters
area target 1,000 meters
grazing fire 600 meters
M249 sustained fire
85 rounds per minute, fired in 3 to 5 round burst, 4 to 5 seconds between burst no barrel change
M249 Rapid fire
200 rounds per minute, fired in 6 to 8 round burst, 2 to 3 seconds between burst, barrel change every 2 minutes
M249 cyclic fire
850 rounds per minute, continuous burst with barrel change every minute
M249 Condition 1
bolt locked to rear, safety on, source of ammunition on the feed tray or magazine well, cover closed
M249 Condition 2
does not apply
M249 Condition 3
bolt forward, safety off, chamber empty, source of ammunition on the feed tray or magazine well, cover closed
M249 Condition 4
bolt forward, safety off, chamber empty, the feed tray is empty or no magazine inserted, cover closed
Malfunction
is a failure of the machine gun to function satisfactory
two most common malfunctions
Sluggish operation and run away gun
Sluggish operation
gun fires very slowly, due to excessive friction from lack of lubrication or excessive dirt or carbon or loss of gas from a loose connection in the gas system
Action of loss of gas
move regulator setting to the number two or three position
clean, inspect, and lube the gun
Runaway gun
caused when a gun continues to fire after you release the trigger caused by worn, broken, or burred sear notch
methods when you have a runaway gun
keep down range and either let weapon fire off remaining rounds or break the belt of ammunition by twisting it
hang fire
occurs when the primer detonates but a problem occurs with the propellant that cause a slow burn and a delay in firing.
cook off
occurs when the heat of the barrel is high enough to cause the propellant to ignite in the cartridge with out the primer being hit by the firing pin
M240G description
is air cooled, belt fed, gas operated automatic weapon that fires form the open bolt position
M240G Maximum range
3,725 meters
M240G maximum effective range
1,800 meters
M240G caliber
7.62 mm
M240G Grazing fire
600 meter
M240G Sustained fire
100 rounds per minute, fired in 6 to 8 round burst at 4 to 5 seconds between burst barrel change every 10 minutes
M240G Rapid fire
200 round per minute, fired in 10 to 12 round burst at 2 to 3 seconds between burst barrel change every 2 minutes
M240G Cyclic fire
650 to 950 rounds per minute continuous burst barrel changed every minute depending on gas setting
M240G Condition 1
bolt locked to rear, safety on, source of ammunition on the feed tray, cover closed
M240G Condition 2
does not apply
M240G Condition 3
bolt forward, safety off, chamber empty, source of ammunition on the feed tray, cover closed
M240G Condition 4
bolt forward, safety off, chamber empty, the feed tray is empty, cover closed
M2 50 CAL description
A belt fed, recoiled operated, air cooled, crew served machine gun capable of single as well as automatic fire
M2 Maximum range
7,400 meters
M2 Maximum effective range
1,830 meters
M2 Grazing fire
700 meters
M2 sustained rate of fire
40 rounds or less per minute
M2 Rapid rate of fire
more than 40 rounds per minute
M2 cyclic rate of fire
450-550 rounds per minute
M2 condition 1
ammunition is position on the feed tray, the bolt is locked to the rear, and bolt latched release locked is up
M2 condition 2
does not apply
M2 condition 3
ammunition is position on the feed tray, chamber is empty, bolt is forward, and bolt latch release lock is up
M2 condition 4
feed tray is clear of ammunition, chamber is empty, the bolt is forward and the bolt latch release lock is up.
Cook off
possible when more that 150 rounds have been fired in 2 minute period and the barrel is hot enough to produce a cook off
MK19 description
self powered air cooled, belt fed, blowback operated weapon. designed to deliver accurate, intense, and decisive firepower against enemy personnel and light armored vehicles
MK19 maximum range
2,212 meters
MK19 maximum effective range
1,500 meters point target
MK19 Grazing fire
2,212 meter area target
MK 19 boar diameter
40mm
MK19 sustained rate of fire
40 rounds or less per minute
Mk19 Rapid rate of fire
60 rounds per minute
Mk19 Cyclic rate of fire
325 rounds per minute
MK19 Condition 1
ammunition is on the feed tray, weapon has been charged twice,
bolt is locked to the rear and safety is on
MK19 Condition 2
does not apply
MK19 Condition 3
ammunition is on the feed tray, weapon has been charged once, the chamber is empty, bolt is forward and safety in on
MK19 Condition 4
feed tray is clear, chamber is empty, bolt is forward and safety is on
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