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What is the FM concerning the M16/A2 Rifle?
What is the first thing you should do when you handle a weapon?
Make sure you clear it
Name the five phases in Basic Rifle Marksmanship.
- 1. Preliminary Rifle Instruction
- 2. Downrange Feedback
- 3. Field Fire
- 4. Advanced Rifle Marksmanship
- 5. Advanced Optics, Laser and Iron Sights
What are the four fundamentals of marksmanship?
- 1. Steady Position
- 2. Proper Aim (Sight Picture)
- 3. Breathing
- 4. Trigger Squeeze
During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
- 1. Individual Foxhole supported
- 2. Basic Prone unsupported
What are the two basic elements of the Sight Picture?
- 1. Sight Alignment
- 2. Placing of the Aiming Point
What does the acronym SPORTS stand for?
Slap, Pull, Observe, Release, Tap and Shoot
What is remedial action?
Remedial action is the continuing effort to determine the cause for a stoppage or malfunction and to try to clear the stoppage once it has been identified.
Describe the proper procedures for applying remedial action with the M16/A2.
- 1. Try to place the weapon on safe
- 2. Remove the magazine
- 3. Lock the bolt to the rear
- 4. Place the weapon on safe if not already done
Describe the proper procedure for applying immediate action with the M16/A2.
- 1. Slaps gently upward on the magazine to ensure it is fully seated, and the magazine follower is not jammed.
- 2. Pulls the charging handle fully to the rear.
- 3. Observes for the ejection of a live round or expended cartridge. (If the weapon fails to eject a cartridge, perform remedial action.)
- 4. Releases the charging handle (do not ride it forward).
- 5. Taps the forward assist assembly to ensure bolt closure.
- 6. Squeezes the trigger and tries to fire the rifle.
Is SPORTS an Immediate or Remedial Action?
What is immediate action?
Immediate action involves quickly applying a possible correction to reduce a stoppage without performing troubleshooting procedures to determine the actual cause.(SPORTS)
How many times should immediate action be applied to a weapon?
Once. (If Rifle still fails to fire, apply remedial action)
What is a malfunction?
The weapon ceasing to fire due to a stoppage resulting from mechanical failure of the weapon, magazine or ammo.
Name the different categories of malfunctions on the M16/A2.
- 1. Failure to feed, chamber or lock
- 2. Failure to fire cartridge
- 3. Failure to Extract
- 4. Failure to Eject
What is stoppage?
A stoppage is a failure of an automatic or semiautomatic firearm to complete the cycle of operation.
How do you clear a stoppage?
Apply immediate or remedial action
What is the definition of Maximum Effective Range?
The greatest distance at which a soldier may be expected to deliver a target hit.
What does CLP stand for?
- Cleaner - It contains solvents that dissolve firing residue and carbon.
- Lubricant - It lays down a layer of teflon as it dries to provide lubrication.
- Preservative - It prevents rust from Forming.
Describe the M16/A2 Rifle.
A 5.56 mm, magazine fed, gas-operated, air-cooled, semiautomatic or three-round burst, hand-held, shoulder-fired weapon.
What are the 7 types of ammunition that can be used with the M16/A2 Rifle?
- 1. M193 – Ball
- 2. M196 – Trace
- 3. M199 – Dummy
- 4. M200 – Blank (Violet tip and 7 petal rose crimp)
- 5. M855 – Ball (Green Tip)
- 6. M856 – Tracer (Red Tip)
- 7. M862 – Short Range Training Ammunition (Plastic with a Blue Tip)
What are the four steps required in order to mechanically zero the M16/A2?
- 1. Adjust the front sight post (1) up or down until the base of the front sight post is flush with the front sight post housing (2).
- 2. Adjust the elevation knob (3) counterclockwise, as viewed from above, until the rear sight assembly(4) rests flushwith the carrying handle and the 8/3 marking is aligned with the index line on the left side of the carrying handle.
- 3. Position the apertures(5) so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windageknob (6) to align the index mark on the 0-200 meter aperture with the long center index line on the rear sightassembly.
What are the steps required in order to battlesight zero the M16/A2?
- 1. Adjust the elevation knob (1) counterclockwise, as viewed from above, until the rear sight assembly(2) rests flushwith the carrying handle and the 8/3 marking is aligned with the index line (3) on the left side of the carryinghandle. Then adjust the elevation knob one more click clockwise.
- 2. Position the apertures(4) so the unmarked aperture is up and the 0-200 meter aperture is down. Rotate the windageknob (5) to align the index mark on the 0-200 meter aperture with the long center index line on the rear sightassembly.
What is the muzzle velocity of the M16/A2 Rifle?
3,100feet per second
Describe the ranges for the M16/A2 Rifle.
- Maximum Range - 3,600 meters
- Max Effective Range for a Point Target - 550 meters
- Max Effective Range for an Area Target - 800 meters
Describe the Barrel Rifling for the M16/A2 Rifle.
Right hand twist 1/7
What is the basic load of ammunition for the M16/A2 Rifle?
210 Rounds total. (7 magazines with 30 rounds in each)
The elevation knob adjusts the point of aim for the M16A2 Rifle how much?
300 to 800 meters
What is the overall length of the M16/A2 Rifle?
What are the 8 steps in the functioning of the M16/A2 rifle?
- 1. Feeding
- 2. Chambering
- 3. Locking
- 4. Firing
- 5. Unlocking
- 6. Extracting
- 7. Ejecting
What is the FM concerning the M4 Rifle?
Describe the ranges for the M4 Rifle.
- Maximum Range - 3,600 meters
- Max Effective Range for a Point Target - 500 meters
- Max Effective Range for an Area Target - 600 meters
What are the four positions for the buttstock of the M4 Rifle?
- 1. Closed
- 2. 1/2 Open
- 3. 3/4 Open
- 4. Full Open
Describe the M18A1
A curved, rectangular-shaped weapon, with an olive drab molded case of fiberglass filled polystyrene (plastic). In thefront portion of the case is a fragmentation face containing steel spheres embedded in a plastic matrix. The backportion of the case behind the matrix contains a layer of explosives.
Once done installing the M18A1, how far behind the mine should the wire be secured?
What is the M18A1 primarily used for?
It was designed for use against mass infantry attacks
What is the first step in installing the M18A1?
Inspect the components
How much does the M18A1 weigh?
What color is a "training" M18A1?
How long is the wire that the M4 blasting cap is connected to?
Name the components that are in the bandoleer of the M18A1
- The M7 bandoleer has two pockets.
- One pocket contain the mine and the other contains:
- M40 test set
- M57 firing device
- M4 Electric Blasting cap
Where will you find the instructions for the employment of the M18A1?
Under the flap of the bandoleer
What color is a "live" M18A1?
What is the effective frontal range of the M18A1?
When detonated, the M18A1 mine will deliver spherical steel fragments over a 60°fan-shaped pattern that is 2 meters high and 50 meters wide at a range of 50 meters
Who keeps the M57 firing device while the M18A1 is being installed?
The individual installing the mine
What Field Manual covers the M18A1?
When aiming the M18A1 using the slit-type peepsight, how far above the ground do you aim?
2 and 1/2meters above the ground
What type of explosive is used in the M18A1?
1.5 lbs composition C4 (plastic explosive)
One M40 test set is included with how may M18A1 claymores?
1 in each case of 6
What is the killing zone of the M18A1?
About 20 to 30 meters
How far is the danger area to the rear of the M18A1?
16 meters ( The mine firing position should be in a foxhole or covered position at least 16 meters to the rear or the side of the emplaced mine.)
What is the weight of the M2 .50 Cal machine gun?
Which FM covers the M2 .50 Cal?
What is the importance of correct head space adjustment on the .50 Cal machine gun?
Incorrect head space adjustment can cause a malfunction of the gun and lead to sluggish operation or failure to function freely.
What is the length of the barrel of the .50 Cal?
What is the maximum range of the .50 Cal?
What is the muzzle velocity of the .50 Cal?
3,050 ft per sec
What is the description of the .50 Cal, HB, M2 Machine Gun?
The Browning machine gun caliber .50 HB, M2 is a belt-fed, recoil-operated,air-cooled, crew-served machine gun. The gun is capable of single shot, as well as automatic fire, and operates on the short recoil principle.
What is the maximum effective range of the .50 Cal against point and area targets?
- Point targets Single shot- 1,500 meters
- Area shot- 1,830 meters
To control the rate of fire on the M2, the gunner may use what methods of fire?
- Single shot
Describe the Single Shot method of fire on the M2 .50 Cal.
Place the gun in the single-shot mode and engage the target with aimed shots. The machine gun is accurate out to 1,500meters.
Describe the Slow method of fire on the M2 .50 Cal.
Slow fire consists of less than 40 rounds per minute, in bursts of five to seven rounds, fired at 10- to 15-second intervals.
Describe the Rapid method of fire on the M2 .50 Cal.
Rapid fire consists of more than 40 rounds per minute, fired in bursts of five to seven rounds, at 5- to 10-second intervals.
Describe the Cyclic method of fire on the M2 .50 Cal.
Cyclic fire is when the weapon fires 450 to 550 rounds per minute.
What type of front sight does the M2 .50 Cal have?
A semi-fixed blade type with cover
What type of rear sight does the M2 .50 Cal have?
A leaf type rear sight graduated in both yards and mils
What are the common malfunctions of the M2 .50 Cal?
- Failure to function freely
- Uncontrolled automatic fire
What are the common stoppages of the M2 .50 Cal?
- Failure to feed
What is the maximum effective range of the M203 against a fire team sized area target?
What is the maximum effective range of the M203 against a vehicle or weapon point target?
What is the minimum arming range of the 40 mm round fired from the M203?
14 to 38meters
What is the rate of fire of the M203?
5 to 7 rounds per minute
What Field Manual covers the M203?
What is the casualty radius of a M203 40 mm HE round?
The M203 uses several fixed type, low velocity 40 mm rounds. Name some of the common types of rounds used.
- 1. M433 – High Explosive Dual Purpose
- 2. M406 – High Explosive
- 3. M83A1 (white), M661 (Green), M662 (Red) – Star Parachute
- 4. M585 – White Star Cluster
- 5. M713 (Red Smoke), M715 (Green Smoke), M716 (Yellow Smoke) – Ground Marker
- 6. M781 – Practice
- 7. M651 – Tactical CS
- 8. Buckshot
What are the two common malfunctions of the M203?
- 1. Failure to cock
- 2. Failure to lock
What are the five common stoppages of the M203?
- 1. Failure to fire
- 2. Failure to extract
- 3. Failure to eject
- 4. Failure to chamber
- 5. Safety Fails to stay in position
What are the two types of sights on the M203?
Describe the M203.
The M203 grenade launcher is a lightweight, single-shot, breech-loaded, pump action(sliding barrel), shoulder-fired weapon that is attached to an M16 rifle series, or the M4 carbine series with the M203A1, and M4 carbine series with the rail system.
How long should you wait before opening the breach to unload the weapon if you happen to have a misfire with the M203?
What is the maximum range of the M249 (SAW)?
What is the maximum effective range of the M249 with tripod and T+E?
What is the maximum range of the M249 against an area target for both tripod and bipod?
- Tripod –1,000 meters
- Bipod –800 meters
What is the maximum range of the M249 against a point target for both tripod and bipod?
- Tripod –800 meters
- Bipod –600 meters
What does S.A.W. stand for?
Squad Automatic Weapon
What is the weight of the M249?
What is the basic load of ammunition for the M249?
1,000 rounds (in 200 round drums)
Describe the M249.
The M249 machine gun is a gas-operated, air-cooled, belt or magazine-fed, automatic weapon that fires from the open-bolt position
What FM covers the M249?
Sustained rate is 100 rounds per minute
Rapid rate is 200 rounds per minute
Cyclic rate is 650 to 850 rounds per minute
What are the 8 major groups of the M249?
- 1. Operating Rod Group
- 2. Barrel Group
- 3. Handguard Group
- 4. Buttstock and Buffer Assembly Group
- 5. Trigger Mechanism Group
- 6. Gas Cylinder Group
- 7. Bipod Group
- 8. Receiver Group
The M249 is loaded, fired, unloaded and cleared from what bolt position?
The open bolt position
What are the steps to the cycle of functioning for the M249?
Name 3 assault firing positions used with the M249
- 1. Shoulder
- 2. Hip
- 3. Underarm
What are two unique features of the M249?
It has a regulator to change the rate of fire, and it is fed by M16 magazines as well as belt fed