M252A1 81MM MORTAR Flashcards

1
Q

WHAT ARE THE COMPONENTS OF THE M252A1

A

M253 81 MM CANNON
M177A1 MORTAR MOUNT (BIPOD)
M3A2 BASEPLATE
M67 SIGHT UNIT

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2
Q

M253 81 MM CANNON CHARACTERISTICS

A

REMOVABLE BREECH PLUG AND FIRING PIN

IT HAS AN INTEGRATED BLAST ATTENUATOR DEVICE (BAD)

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3
Q

HOW OFTEN DO YOU SWAP THE BARREL

A

EVERY 10 ROUNDS OR AFTER THE FIRE MISSION

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4
Q

HOW MANY MILLS PER TURN ON THE ELEVATION HANDWHEEL

A

10 MILS

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5
Q

HOW MANY MILLS PER TURN OF THE TRAVERSING HANDWHEEL

A

7-10 MILLS

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6
Q

MAX RANGE

A

5608M

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7
Q

MIN RANGE

A

83 M

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8
Q

SUSTAINED AND MAXIMUM RATE OF FIRE (M362 SERIES, M821, M889, M819 AND M853) (M374A3 AND M375A3)

A

15 ROUNDS /MIN

30 ROUNDS/MIN FOR 2 MIN

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9
Q

FIELD OF VIEW ON THE M67

A

10 DEG

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10
Q

MAGNIFICATION ON THE M67

A

4X NOMINAL 3.5 EFFECTIVE

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11
Q

SUSTAINED AND MAXIMUM RATE OF FIRE (M374, M374A2, M375, M375A2, AND M301A3)

A

8 ROUNDS/ MIN

25 ROUNDS/MIN FOR 2 MIN

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12
Q

WHAT ARE THE AIMING STAKES CALLED

A

M14

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13
Q

HOW FAR DO YOU PLACE THE AIMING STAKES

A

50M AND 100M

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14
Q

WHAT DEFLECTION AND ELEVATION FOR BORE SIGHTING

A
252
DEFLECTION 0000
ELEVATION 0800
224
3200-0800
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15
Q

WHAT DO YOU SET THE SIGHT AT WHEN PUTTING AWAY

A

DEF 3200

ELEV 1100

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16
Q

THE MIN DISTANCE TO BORE SIGHT THE M115

A

200M

17
Q

WHAT DOES THE ELEVATION BUBBLE LEVEL AT ON THE M115 BORE SIGHT

A

0800 MILS

18
Q

WHAT IS THE SECOND CROSS LEVEL BUBBLE USED FOR

A

SELF CHECK

19
Q

HOW FAR CAN YOU ROTATE THE M115 BORE SIGHT

A

180 DEGREE

20
Q

FIELD OF VEIW FOR THE M115 BORE SIGHT

A

17 DEG

21
Q

WHAT IS THE ELEVATION SET AT FOR THE M45 BORE SIGHT

A

0800 MILS

22
Q

FIELD OF VIEW FOR THE M45 BORE SIGHT

A

12 DEG

23
Q

MAGNIFICATION FOR THE M45 BORE SIGHT

A

3 X

24
Q

HOW MANY M14 AIMING POST COME IN A SET

A

8