Pre-MML the SRM battery makes sense, i.e. like this:
Marauder MAD-7XSMP
Mass: 75 tons
Tech Base: Inner Sphere
Chassis Config: Biped
Rules Level: Tournament Legal
Era: Clan Invasion
Tech Rating/Era Availability: E/X-X-E-A
Production Year: 3070
Cost: 12 960 500 C-Bills
Battle Value: 1 711
Chassis: Unknown Endo-Steel
Power Plant: Unknown 300 Light Fusion Engine
Walking Speed: 43,2 km/h
Maximum Speed: 64,8 km/h
Jump Jets: None
Jump Capacity: 0 meters
Armor: Unknown Standard Armor w/ CASE
Armament:
2 ER PPCs
4 SRM-6s
Manufacturer: Unknown
Primary Factory: Unknown
Communications System: Unknown
Targeting and Tracking System: Unknown
================================================================================
Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Endo-Steel 114 points 4,00
Internal Locations: 1 HD, 2 CT, 1 RT, 3 LA, 3 RA, 2 LL, 2 RL
Engine: Light Fusion Engine 300 14,50
Walking MP: 4
Running MP: 6
Jumping MP: 0
Heat Sinks: Double Heat Sink 16(32) 6,00
Heat Sink Locations: 1 LT, 1 RT, 1 LA, 1 RA
Gyro: Standard 3,00
Cockpit: Standard 3,00
Actuators: L: SH+UA+LA R: SH+UA+LA
Armor: Standard Armor AV - 231 14,50
CASE Locations: 1 LT, 1 RT 1,00
Internal Armor
Structure Factor
Head 3 9
Center Torso 23 35
Center Torso (rear) 11
L/R Torso 16 24
L/R Torso (rear) 8
L/R Arm 12 24
L/R Leg 16 32
================================================================================
Equipment Location Heat Critical Mass
--------------------------------------------------------------------------------
2 SRM-6s RT 8 4 6,00
2 SRM-6s LT 8 4 6,00
ER PPC RA 15 3 7,00
ER PPC LA 15 3 7,00
@SRM-6 (15) RT - 1 1,00
@SRM-6 (15) LT - 1 1,00
@SRM-6 (Inferno) (15) LT - 1 1,00
Free Critical Slots: 0
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 8 Points: 17
4 4 4 2 0 3 0 Structure: 4
Special Abilities: CASE, SRCH, ES, SEAL, SOA, SRM 2/2/0
Once MMLs are available you don't really want to bracket fire any longer, the MMLs are too effective at long range:
Marauder MAD-9XMME
Mass: 75 tons
Tech Base: Inner Sphere
Chassis Config: Biped
Rules Level: Experimental Tech
Era: Clan Invasion
Tech Rating/Era Availability: F/X-X-F-A
Production Year: 3070
Cost: 18 526 375 C-Bills
Battle Value: 1 701
Chassis: Unknown Standard
Power Plant: Unknown 300 Fusion XL Engine
Walking Speed: 43,2 km/h
Maximum Speed: 64,8 km/h
Jump Jets: None
Jump Capacity: 0 meters
Armor: Unknown Standard Armor
Armament:
2 ER PPCs
4 MML-3s
1 Angel ECM
Manufacturer: Unknown
Primary Factory: Unknown
Communications System: Unknown
Targeting and Tracking System: Unknown
================================================================================
Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Standard 114 points 7,50
Engine: XL Fusion Engine 300 9,50
Walking MP: 4
Running MP: 6
Jumping MP: 0
Heat Sinks: Double Heat Sink 19(38) 9,00
Heat Sink Locations: 1 CT, 1 LT, 1 RT, 2 LA, 2 RA
Gyro: Compact 4,50
Cockpit: Standard 3,00
Actuators: L: SH+UA R: SH+UA
Armor: Standard Armor AV - 231 14,50
CASE II Locations: 1 LT, 1 RT 2,00
Internal Armor
Structure Factor
Head 3 9
Center Torso 23 35
Center Torso (rear) 11
L/R Torso 16 24
L/R Torso (rear) 8
L/R Arm 12 24
L/R Leg 16 32
================================================================================
Equipment Location Heat Critical Mass
--------------------------------------------------------------------------------
2 MML-3s RT 4 4 3,00
2 MML-3s LT 4 4 3,00
ER PPC RA 15 3 7,00
ER PPC LA 15 3 7,00
Angel ECM RL 0 2 2,00
@MML-3 (SRM) (33) RT - 1 1,00
@MML-3 (LRM) (40) LT - 1 1,00
@MML-3 (LRM) (40) RA - 1 1,00
Free Critical Slots: 5
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 8 Points: 17
4 4 4 3 0 3 0 Structure: 3
Special Abilities: AECM, CASEII, SRCH, ES, SEAL, SOA, IF 1