Medium Machine Guns Flashcards
What is the maximum effective range of the M240B?
1800m
What is grazing fire for the M240B?
600m
What are the 3 rates of fire for the M240B?
Sustained - 100 rpm
Rapid - 200 rpm
Cyclic - 650 rpm
How many M240B are in a machine gun section?
6 divided into 2 gun squads
What are the cycle of operations for the M240B?
Feeding, chambering, locking, firing, unlocking, extracting, ejecting, cocking.
What types of ammo can be fused by the M240B?
M172 Dummy M82 Blank M80 Ball M62 Tracer M61/M993 AP
What range settings are on the sight for the M240B?
200m - 1800m
What is included in the complete gun bag?
Machine gun Tripod Pintle T&E mechanism Spare barrel Maintenence equipment
When is a barrel change required?
After 10 min at sustained rate or 2 min at the rapid rate.
What is a runaway gun?
When a gun continues to fire after the trigger is released; firing is uncontrolled.
What is condition 1?
- Ammunition in position on feed tray
- Bolt locked to the rear
- Weapon on safe
What is condition 3?
- Ammunition in position on feed tray
- Chamber empty
- Bolt forward
- Safety not engaged
What is condition 4?
- Feed tray clear of ammunition
- Chamber empty
- Bolt forward
- Safety not engaged