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ATO 2024 > Small Arms DS > Flashcards

Small Arms DS Flashcards

1
Q

SAA

What type of propellant in ball F1 50 cal?

A

Single base propellant

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2
Q

SAA

3 configurations of cart 50 cal ball F1

A

linked, mixed link and loose

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3
Q

SAA

describe the .50 cal ball F1

A 
manafactured by aus munitions 
single base
boxer type primer
boat tailed steel coated 
rimless CC
Knurled cannelure
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4
Q

SAA

Muzzle velocity of the two grades of .50 cal ball?

A

Grade A - 903+/- 9 m/s

Grade B -903 +/- 15 m/s

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5
Q

SAA

What is the colour tip of the MP NM 140 raufoss round?

A

Green tip

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6
Q

SAA

HE fill of the NM 140?

A

Main: HMX 96%
Constituents: wax 3% Graphite 0.5% Zinc stearite 0.5%

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7
Q

SAA

Major design characteristic of the NM 140

A

MP Concept - does not use any primer, detonator or sensitive explosives in the explosive train

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8
Q

SAA

Describe the NM140

A 
Double base propellant 
boxer fuse
incendiary nose with HE fill
Pyro initiated 
target effects - penetration frag blast and incendiary 
tungsten carbide core
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9
Q

SAA

describe how the NM 140 functions

A

nose compressed on impact (functions by adiabatic heating
pressure builds and pyro ignites HE component
Deflagrates to detonation
incendiary composition burns for 1 second

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10
Q

SAA

How many fragments behind target plate must the projectile produce?

A

10

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11
Q

SAA

Where must NM 140 be stored?

A

Out of direct sunlight

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12
Q

SAA

functional requirements of NM 140?

A

perforate 10mm of armour with brinell hardness between 321-375 at 100m
perforate 2mm Dural plate at 200m

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13
Q

How many pellets in the Cart 12G Crowd Dispersal M1013?

A

18 PVC rubber ball pellets

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14
Q

What are the seven parts to the M1013?

A 
Crimp
Upper Wad
Shell Case
18 Rubber Balls
Lower Wad
Smokeless Powder
Primer
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15
Q

What propellant does 5.56mm Ball F1 use?

A

AR2210 - Single based

1.7g

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16
Q

What propellant does 5.56mm Spec Ball LR M262 Mod 1 use?

A

0.84g Double based

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17
Q

What propellant does 5.56mm Ball M855 use?

A

WC844 Double based- 1.7g

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18
Q

What propellant does 5.56mm Ball M855A1 use?

A

SMP 842 Double based- 1.685g

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19
Q

What is the target effect of a 5.56mm AP AP3 M995?

A

Is able to penetrate 12mm Type 3 Rolled Homogenous Armour at 100m and 3.5mm standard NATO plate at 600m

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20
Q

What weapon system uses .223?

A

M4A1

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21
Q

What weapon system uses .338?

A

Sniper Blaser R93 Tactical 2

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22
Q

What are the parameters for 5.56mm tracer?

A

-46˚c to +49˚c

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23
Q

What are the parameters for 9mm?

A

Firing limits - -6˚c to +63˚c

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24
Q

What propellant is used in .50cal F1?

A

Mulwala AR2211 single based - 16g

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25
Q

What propellant is used in .50cal M33?

A

WC860 Double based - 15.2g

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26
Q

What is SLAP-T used in?

A

M1A1 Abrams AIMTEST training barrel

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27
Q

How does 12.7mm MP NM140 work?

A

On impact and the commencement of penetration, the nose of the projectile is compressed and the incendiary ignited.
As the projectile passes through the target, pressure continues to build within the nose and the incendiary composition ignites the HE.
With increased pressure build up, deflagration turns to detonation, producing blast and fragments.
The second incendiary charge then ignites and burns for approx. 1 second

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28
Q

How is the NM140 bullet secured to the cart case?

A

Its secured by coning

29
Q

How is the .50cal ball secured to the cart case?

A

Knurled cannelure used for crimping

30
Q

How many pellets and their size are in the 12G Super Range No. 5?

A

248, Diameter- 2.8mm, weight 32g

31
Q

How many pellets are in the 12G Super-X No. 6?

A

338

32
Q

What is the propellant of the cart .50cal blank F3 single?

A

AP-70N Double Base

33
Q

What is the colour of the projectile of the Cart .50 API M8?

A

the tip is 16mm of aluminium/ silver/ grey

34
Q

What is the colour of the projectile of cart .50 API-T M20?

A

Red 8mm from the tip, from 8mm to 16mm aluminium/ grey/ silver

35
Q

What is the primer type of the Cart 5.56mm M855?

A

M41- Boxer

36
Q

What happens on impact of the projectile from the cart .50cal API-T and API M20 with a target?

A

On impact with the target at high velocity, the incendiary composition ignites by adiabatic (compression) resulting in igniting any present flammable materials within the target area.

37
Q

What are the main differences between the cart .50cal API M8 and API-T M20?

A
  • Different propellant
  • M20 has tracer element
  • Markings of the projectile
38
Q

Describe the operation of the M855 from when the primer strikes the firing pin?

A
  • Firing pin strikes primer on base of cc
  • Priming mix crushed against anvil primer
  • Primer comp functions
  • Flash to propellant ignites it
  • Propellant starts to burn and produces gases which act on the base and drive it forward
  • Projectile driven forward
  • SPin is imparted on projectile by rifling
  • Provides stability in flight
  • On impact steel nose and lead core provide penetration
39
Q

How much and what type of armour can a M955 5.56 penetrate/

A

12mm type 3 RHA at 100m

3.5 standard NATO Plate at 600m

40
Q

7.62mm x 51 la .308 is authorized to use in what wpns?

A

SR98 MK11 MOD 0 SR 25 and the AWS covert

41
Q

What are the operating limits to the cart 7.62mm Lap?

A
  • A rate of not more than 5 rounds per min
  • Max fire duration of 4 minutes
  • Min 2 minutes cooling, with out a bolt
  • Limit 100 rounds fire before complete cleaning of weapon
42
Q

At what distance is the tracer ignited and how far does it go for?

A

5.56- M856- 153-875m
7.62 Dim Trace- M62- 140- 775m
.50 Cal- M20-
Training round- 7.62- 13- 800m

43
Q

What is the 9mm FX round designed for?

A

Close combat training

44
Q

What is the propellant in the .50 Blank?

A

AP-70N Double Based 2.9g

45
Q

What effect the spread of the shot no 5?

A

Hardness of the pellets- Deformed and change during firing and terminal effect of the pellet load.

46
Q

How is the 5.56mm round work?

A
  • Firing pin strikes primer on base of cc
  • Priming mix crushed against anvil primer
  • Primer comp functions
  • Flash to propellant ignites it
  • Propellant starts to burn and produces gases which act on the base and drive it forward
  • Projectile driven forward
  • SPin is imparted on projectile by rifling
  • Provides stability in flight
47
Q

What are the target effects of the 12.7 MP NM140?

A

Penetration
Incendiary
Blast
Fragmentation

48
Q

How is the tracer compound ignited in cart 7.62 tracer M65 single?

A

The heat generated from the ignition of the propellant ignites the tracer composition.

49
Q

How long does the tracer compound burn in a cart 7.62mm tracer M62 single?

A

Visable no greater than 140m and will burn out at approximately 775m

50
Q

What is the safety warning for use of the cart 9mm training FX marking rounds?

A
  • Min engagement distance 2m

PPE must be worn to mitigate risk of injury

51
Q

What is the use of the Cart 12g Birdfrite MK2?

Clear Plastic with red cracker internal

A
  • Dispersal of birds from ADF airfields

- Used by RAN to control crews of nearby vessels without threat of lethal force

52
Q

What is the intended use of the cart 12g crowd dispersal M1013?

A

To disperse, dissuade and incapacitate (stun and deter) rioter.

53
Q

Why is the cart 12g rifled slug rifled?

A
  • optium contact whilst reducing wear on barrel

- allow slug to pass through barrel without deformation

54
Q

Explain the functioning of a centre fired round?

A
  • On firing the pin strikes a bower type primer
  • Crushing the anvil against primer mixer
  • Ignites the compostiion and flashes through case holes into cart case
  • Propellant is ignited and the burning produces hot expanding gases
  • Gas acts on projectile base to drive it forward and on the cart case forcing it outwards producing a gas seal
55
Q

Detailed study: SAA

List the detail of a .22 LR T22

5 points

A

T22 win

Used by cadets (not on cadets)

Long rifle cartridge

Lead projectile

Commerical grade, not military Function

56
Q

Detailed study: SAA

List the broad details for CART .223 REM & CART 5.56MM

2 points

A

Rimless brass cart cases

Boxer type percussion primers

57
Q

Detailed study: SAA

List details for .223 REM PSP R223R1 55GR

5 points

A

Manafact: Winchester

Proj:

  • Soft jacketed
  • lead core for rapid expansion

Single base prop: BM2

Operating limit for firing -6 to +44 degrees

Use: indoor training action

58
Q

Detailed study: SAA

List the details for .223 REM Swiss P STYX ACTION 69GR

5 points

A

Manafac by RUAG - Swiss P suite

Proj:

  • lead alloy core
  • brass jacket

Hyper expanding hollow point bullet

max TX of energy

double base propellant

59
Q

Detailed study: SAA

List the 5.56mm natures worth knowing

13 points

A

Ball F1 +

Special Ball LR MK 282 Mod 1

Ball M855A1 + and Trace M856 A1 +

AP3 M995 +

FX Marking (red/White)

  • Paint sim munition
  • 2 year shelf life before plastic coating hardens

Ballistite
- Used for rifle grenades/launching RAS lines

Rifle Grenade

Blank F3A1 +

Blank M200 (brass catridge)

Ball L123A2 NRR

  • NRR = NATO Reference Round
  • Used as a baseline to test all other 5.56mm rounds
  • Baseline pressure created to compare others

RRTA +

  • Reduced range target ammo
  • Designed to reduce ricochets
  • Copper frangible round

CTR

  • Close target ammo
  • Designed to reduce ricochets
  • Generally indoor/super close range use

MK255 RRLP

  • Reduced ricochet, low penetration
  • Jacketed frangible round
  • Allows frangible use with suppressors without filling them with crap
60
Q

Detailed study: SAA

List the details for CART .308 WIN 130GR HP X13038

4 points

A

Projectile: SPeers S2005 JHP

Commercial round – single or double propellant

Expands on impact. Used by SF.

Being replaced.

61
Q

Detailed study: SAA

List the details for CART .308 WIN SWISS P TAC

5 points

A

Manafac: RUAG - Swiss P suite

Proj:

  • monolithic CuZn Alloy
  • flat sharp edged tip

barrier penetrating sniper round ( barrier blind round, trajectory minimally altered by windows etc)

high first hit probability

Double base propellant

62
Q

Detailed study: SAA

List types 7.62mm natures worth knowing

A

NULL

63
Q

Detailed study: SAA

List the broad details CART .50 / 12.7mm natures

2 points

A

Rimless brass cartridge

boxer type percussion primer

64
Q

Detailed study: SAA

List the .50 CAL//12.7mm natures worth knowing

A 
.50 CAL
Ball F1
Blank F3
Ball M33
Tracer M17
AP M2
API M8
API-T M@)
SLAP-T
12.7:
MP NM 140
MP-T NM160
APi-S NM173
Blank FN179 (obselete)
65
Q

Detailed study: SAA

List the details of .50Cal API-T M20

5 points

A

AP proj from manganese molybdenum alloy

Alloy core machined at a steepened at nose

creates a void to allow for incendiary component

recess in base for tracer

One other point

66
Q

Detailed study: SAA - MP round

How is a MP round designed, ie what it should not require?

A

To not require a primer detonator or sensitive explosive in the explosive chain

67
Q

Detailed study: SAA - MP round

List tech data for the 12.7mm MP NM 140 Raufoss round

A

Construction Materials - common to all NM MP rounds

  • Projectile: Jacket is Copper/zinc alloy.
  • Body: is manganese/lead alloy.
  • Core: is tungsten carbide/cobalt alloy. Incendiary composition and High
  • Explosive.
  • Sealing: disc is lead antimony. (except trace)
  • Case: Brass
Propellant Type: NC1214.
Propellant Qty: 15gm.
Primer Type: Boxer.
Projectile Mass: 43gm.
Dimensions (mm) (L x Ø base x Ø neck x Ø round): 138.43 mm / NK / 14.224 / 12.979.

Colour:
Green tip, 16mm deep.
Markings:
The cartridge case is head stamped with the case manufacturers monogram and 2 digits representing the year of case manufacture

68
Q

Detailed study: SAA - MP round

List the steps in the functioning of the 12.7mm MP NM140 Raufoss round on impact on a hard target

4 points

A

Nose of the projectile is compressed and the incendiary ignited.

Projectile passes through the target, pressure continues to build up within the nose and the incendiary composition ignites the high explosive.

Increase in pressure deflagration turns to detonation, producing blast and fragments.

The second incendiary charge then ignites and burns for approx. 1 second.

69
Q

Parts of 12.7mm MP NM140 PROJECTILE

A

Incendiary Charge (RS41)
HE Fill (H-764)
Envelope
Incendiary Charge (rs109)
Tungsten Carbide/Cobalt Core
Shell Body
Sealing Disc

ATO 2024 (31 decks)

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