Military Machine Gun Knowledge Essay Example
Machine Gun Test
M240B:
Characteristics: Air cooled, belt-fed, gas-operated, fully automatic weapon that fires from the open bolt position.
Operational Data: Ranges Max Range: 3725m Max Effective (Point): 800m Max Effective (Area): 1800m Grazing Fire: 600m Tracer Burnout Approximate: 900m Weight Receiver: 24.2 lbs. Barrel: 6.6lbs Spare Barrel Case With Spare Barrel and All Sl3 Components: 12.90 Lbs. Tripod with Mounts: 20 lbs. Dimensions Length: 49” Rates of Fire: Sustained: 100 rounds a minute, 6-8 round bursts, 4-5 second pause between bursts, barrel change every 10 min. Rapid: 200 rounds a minute, 10 to 12 round bursts, 2-3 second pause between bursts, barrel change every 2 minutes Cyclic: 650-950 rounds a minute, one continuous burst, and barrel change every minute Rifling: four grooves with a uniform right hand twist, one turn equals 12 inches.
Nomenclature:
Barrel Group
Butt stock and buffer group (hydraulic)
Trigger Housing Group
Operating Group
Receiver Group
Cycle of Operations:
1. Feeding
2. Chambering
3. Locking
4. Firing
5. Unlocking
6. Extracting
7. Ejecting
8. Cocking
Ammunition
1. Tracer
2. Ball
3. Blank
4. Dummy
5. Armor- Piercing
Ammo storage Keep at least 6in off of ground Keep away from heat and out of direct sunlight Keep covered in a double layer of tarp Do not use clp or other lubricants to clean ammo
Weapons conditions for m240b Condition 4: Bolt forward, Chamber empty, safety off, no ammo on feed tray, cover closed. Condition 3: Bolt forward, chamber empty, safety off, ammo on feed tray, cover closed. Condition 2: N/A Condition 3: Bolt to the rear, safety on, ammo on feed tray, cover closed
Half cocking: Pulling bolt to the rear to engage safety then returning it to the front. This places the weapon in a mechanically unstable safe position. The weapon really isn’t “safe”.
Lubricants
LAW LSA LSA-T CLP
M2 Heavy Machine Gun.
M240B:
Characteristics: Air cooled, belt-fed, gas-operated, fully automatic weapon that fires from the open bolt position.
Operational Data: Ranges Max Range: 3725m Max Effective (Point): 800m Max Effective (Area): 1800m Grazing Fire: 600m Tracer Burnout Approximate: 900m Weight Receiver: 24.2 lbs. Barrel: 6.6lbs Spare Barrel Case With Spare Barrel and All Sl3 Components: 12.90 Lbs. Tripod with Mounts: 20 lbs. Dimensions Length: 49” Rates of Fire: Sustained: 100 rounds a minute, 6-8 round bursts, 4-5 second pause between bursts, barrel change every 10 min. Rapid: 200 rounds a minute, 10 to 12 round bursts, 2-3 second pause between bursts, barrel change every 2 minutes Cyclic: 650-950 rounds a minute, one continuous burst, and barrel change every minute Rifling: four grooves with a uniform right hand twist, one turn equals 12 inches.
Nomenclature:
Barrel Group
Butt stock and buffer group (hydraulic)
Trigger Housing Group
Operating Group
Receiver Group
Cycle of Operations:
1. Feeding
2. Chambering
3. Locking
4. Firing
5. Unlocking
6. Extracting
7. Ejecting
8. Cocking
Ammunition
1. Tracer
2. Ball
3. Blank
4. Dummy
5. Armor- Piercing
Ammo storage Keep at least 6in off of ground Keep away from heat and out of direct sunlight Keep covered in a double layer of tarp Do not use clp or other lubricants to clean ammo
Weapons conditions for m240b Condition 4: Bolt forward, Chamber empty, safety off, no ammo on feed tray, cover closed. Condition 3: Bolt forward, chamber empty, safety off, ammo on feed tray, cover closed. Condition 2: N/A Condition 3: Bolt to the rear, safety on, ammo on feed tray, cover closed
Half cocking: Pulling bolt to the rear to engage safety then returning it to the front. This places the weapon in a mechanically unstable safe position. The weapon really isn’t “safe”.
Lubricants
LAW LSA LSA-T CLP
M2 Heavy Machine Gun.