MK 38 MOD 2 25MM Machine Gun System

Question 1

What is the 25 MM primarily used for?

Answer 1

Anti-Small crafts.

Question 2

Where is the 25 MM machine gun system located?

Answer 2

Amidships port M2502 and stbd M2501

Question 3

What does MGS stand for?

Answer 3

Machine Gun System

Question 4

What type of gun is the 25MM?

Answer 4

Bushmaster Chain Gun M242 25MM

Question 5

What is the effective range for it?

Answer 5

2700 meters

Question 6

How many firing modes does it have and what are they?

Answer 6

5
Single shot 
Low Bursts (3) 
High Bursts (5) 
Low Continuous (100rpm)
High Continuous (180rpm)

Question 7

Where can the 25 MM be operated?

Answer 7

Locally at the station

Remotely on Remote Operator Console (ROC) in pilot house

Question 8

How many modes are there and what are they?

Answer 8

SIX 
Surveillance (SUR) 
Engagement (ENG) PRIMARY BATTLE MODE 
Manual (MAN)
Service (SRV) 
Home position (HOME) 
Built-In Test (BIT)

Question 9

What type and how many ammo does the 25 MM have?

Answer 9

FOUR  (-T = Tracer) 
APDS-T [Armor Piercing Discarding Sabot]
HEI-T [High Explosive Incendiary]
TP-T [Target Practice]
SAPEI-T [Semi-Armor Piercing Explosive Incendiary]

Question 10

What are some of the parameters of the 25 MM? (Hot gun, rate, effectiveness)

Answer 10

Hot Gun Condition: 100 rounds 15 minutes
Rate of fire: 180rpm HIGH 100rpm LOW
Effective Range: 3000 rounds

Question 11

What is a cook off?

Answer 11

Inadvertent firing (due to high temps of gun)

Question 12

What is a hot gun?

Answer 12

Gun reaches high enough temperature, potential cook off.

Question 13

What is a hang fire?

Answer 13

Operator fires but theres a delay

Question 14

What is a misfire?

Answer 14

Failure of weapon firing when you fired.

Question 15

What does SCAT stand for?

Answer 15

Small Craft Attack Team

Question 16

Where are the locations of magazines?

Answer 16

Deep Mag: Access trunk SONAR p-way
21 MAG: Port Forecastle O-2
22 MAG: port AFT Missile O-1

Question 17

Where is MT 501/502 and whats there?

Answer 17

Single .50 cal browning machine gun

Fwd Ballast doors

Question 18

Where is MT 505/506 and whats there?

Answer 18

Dual.50 cal browning machine gun

Aft missile deck