Detailed Study - Small Arms Ammunition

Question 1

Detailed study: SAA

List the detail of a .22 LR T22

5 points

Answer 1

T22 win

Used by cadets (not on cadets)

Long rifle cartridge

Lead projectile

Commerical grade, not military Function

Question 2

Detailed study: SAA

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

2 points

Answer 2

Rimless brass cart cases

Boxer type percussion primers

Question 3

Detailed study: SAA

List details for .223 REM PSP R223R1 55GR

5 points

Answer 3

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

Question 4

Detailed study: SAA

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

5 points

Answer 4

Manafac by RUAG - Swiss P suite

Proj:

• lead alloy core
• brass jacket

Hyper expanding hollow point bullet

max TX of energy

double base propellant

Question 5

Detailed study: SAA

List the 5.56mm natures worth knowing

13 points

Answer 5

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

Question 6

Detailed study: SAA

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

4 points

Answer 6

Projectile: SPeers S2005 JHP

Commercial round – single or double propellant

Expands on impact. Used by SF.

Being replaced.

Question 7

Detailed study: SAA

List the details for CART .308 WIN SWISS P TAC

5 points

Answer 7

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

Question 8

Detailed study: SAA

List types 7.62mm natures worth knowing

Answer 8

NULL

Question 9

Detailed study: SAA

List the broad details CART .50 / 12.7mm natures

2 points

Answer 9

Rimless brass cartridge

boxer type percussion primer

Question 10

Detailed study: SAA

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

Answer 10

.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)

Question 11

Detailed study: SAA

List the details of .50Cal API-T M20

5 points

Answer 11

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

Question 12

Detailed study: SAA - MP round

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

Answer 12

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

Question 13

Detailed study: SAA - MP round

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

Answer 13

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

Question 14

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

Answer 14

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.