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
M240L weight
22.3 lbs (complete)
6.6 lbs (spare barrel)
M240L length
48.7 in (overall)
44.7 in (with short barrel)
21.7 in (barrel)
M240L/M240B ammunition types
ball, tracer, blank, AP, AP incendiary, Dummy
M240L/M240B assembly pieces
buttstock and buffer assembly
trigger assembly
receiver assembly
bolt/operating rod
drive spring rod assembly
feed tray cover
feed tray
barrel assembly
M240L/M240B gas settings
setting 1: 650-750 rpm
setting 2: 750-850 rpm
setting3: 850-950 rpm
M240B tripod characteristics (in mils)
max sector of fire on tripod: 875
max elevation on tripod: 247
max depression on tripod: -200
max traverse on T&E: 100
M192 lightweight ground mount (tripod) specifications (240L tripod)
weight: 11.49 lbs
length: 24 to 31.75 in
height: 10.20 in
width: 11.50 in
M192 lightweight ground mount (tripod) T&E specs (240L tripod)
elevation: 235 mils
depression: 275 mils
Traverse: 900 mils
what training curricular covers the M2 Browning
TC 3-22.50
M2 Browning description
a blet fed, recoil- operated, air cooled, crew served machine gun. it is capable of single shot and auto. It operates on the short recoil principle and fires from the closed bolt position
M2 Browning caliber
.50 in
M2 Browning weight
161 lbs (complete)
84 lbs (gun)
60 lbs (receiver)
24 lbs (barrel)
44 lbs (M3 tripod)
33 lbs (M93 Gun Mount)
M2 Browning length
65.13 in (overall)
45 in (barrel assembly)
M2 Browning rifling
8 Grooves, 1/15 right hand twist (41.88 rifling length)
M2 Browning muzzle velocity
3,050 fps
M2 Browning firing options
auto - semi
M2 Browning rates of fire
Sustain: less than 40 rpm
Rapid: more than 40 rpm
Cyclic: 450- 550 rpm
M2 Browning max effective range
point: 1,500m
Area: 1,829m
Max Range: 6,767m (4.2 miles)
M2 Browning tracer burnout
1,600m
M2 Browning ammunition types
Ball, Tracer, Incendiary, AP, AP Incendiary, AP Tracer, Dummy, Blank
