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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is the description of the gau 21 |
Short recoil operated, air cooled automatic weapon firing .50 cal ammunition from the open bolt position and provides medium range suppressive fire. |
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Overall length of the gun |
66.5 in |
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How much does the weapon weigh |
80lbs |
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Height of the weapon |
6.3in |
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Width of the weapon |
3.9in |
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Barrel length |
36 in |
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Barrel weight |
11lb |
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Rifling length inside the barrel |
31.9in |
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Number of grooves |
8 |
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Number of grooves |
8 |
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Twist direction |
Right handed |
NATO |
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Twist (one turn in) |
15in |
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Rate of fire |
950-1100rpm 1025 +- 75 |
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Muzzle velocity |
2887fps |
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Muzzle velocity |
2887fps |
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Max range |
6500m |
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Muzzle velocity |
2887fps |
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Max range |
6500m |
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Max effective |
1850 |
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Max air to air 1/2 TOF |
373m |
NTRP |
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Max air to air 1 TOF |
679m |
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Max air to air 1 TOF |
679m |
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Tracer burnout |
1100m |
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Barrel cooling/firing limitations |
300 rounds - 2 minutes 600 rounds - 7 minutes 900 rounds - 7 minutes 1200rounds- 7 minutes |
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Barrel cooling/firing limitations |
300 rounds - 2 minutes 600 rounds - 7 minutes 900 rounds - 7 minutes 1200rounds- 7 minutes |
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What is required after firing 1200 rounds |
Barrel erosion gauge (check) |
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When is a 600 round burst authorized |
NEVER |
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When is a 600 round burst authorized |
NEVER |
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When is a 300 round burst authorized |
Combat only |
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When is a 600 round burst authorized |
NEVER |
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When is a 300 round burst authorized |
Combat only |
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