crew served machine guns Flashcards
what Training Curricular covers crew served machine guns
TC 3-22.68
what Training Curricular covers the 240
TC 3-22.240
what is the description of a M240
a belt fed, air cooled, gas operated, crew served, fully automatic machine gun, that fires from the open bolt position
M240L/M240B caliber
7.62mm/ .300 in
M240B weight
27.6 lbs (complete)
6.6 lbs (spare barrel)
8 lbs (M125 tripod)
M240B length
49in (overall)
24in (barrel assembly)
M240L/M240B height
18.5in (on tripod)
M240L/M240B rifling
4 grooves, 1/12 right hand twist
M240L/M240B muzzle velocity
2,800 fps
M240L/M240B chamber pressure
56,000 psi
M240B rates of fire
sustain- 100 rpm (6-9 rnd burst every 4-5 sec) with 10 min barrel change
rapid- 200 rpm (6-9 rnd burst every 2-3 sec) 2 min barrel change
cyclic- 650-950 rpm
M240L rates of fire
sustain- 100 rpm (6-9 rnd burst every 4-5 sec) 2 min barrel change
rapid- 200 rpm (10-12 rnd burst every 2-3 sec) 1 min barrel change
cyclic- 550-650 rpm
M240L/M240B max effective ranges bipod
point- 600m
area- 800m
Grazing- 600m
max range- 3,725m
M240L/M240B max effective ranges tripod
point- 800m
area- 1,100m
suppression- 1,800m
Grazing- 600m
M240L/M240B tracer burnout
900m