4 MML9s will give you almost the same long rage firepower, but will really let you get away with no backup weapons.
Toss in a C3 slave and use NARC ammo. Endo and Light Ferro give you 7 tons of ammo and near max armor. The only experimental tech is CASEII protecting the ammo bin.
MML9 Boat
Mass: 75 tons
Tech Base: Inner Sphere
Chassis Config: Biped
Rules Level: Experimental Tech
Era: Clan Invasion
Tech Rating/Era Availability: E/X-X-F-A
Production Year: 3070
Cost: 7,555,625 C-Bills
Battle Value: 1,466
Chassis: Unknown Endo-Steel
Power Plant: Unknown 300 Fusion Engine
Walking Speed: 43.2 km/h
Maximum Speed: 64.8 km/h
Jump Jets: None
Jump Capacity: 0 meters
Armor: Unknown Light Ferro-Fibrous
Armament:
4 MML-9s
1 C3 Computer (Slave)
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Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Endo-Steel 114 points 4.00
Internal Locations: 2 LT, 10 RT, 1 LL, 1 RL
Engine: Fusion Engine 300 19.00
Walking MP: 4
Running MP: 6
Jumping MP: 0
Heat Sinks: Double Heat Sink 10(20) 0.00
Gyro: Standard 3.00
Cockpit: Standard 3.00
Actuators: L: SH+UA R: SH+UA
Armor: Light Ferro-Fibrous AV - 220 13.00
Armor Locations: 2 CT, 2 LT, 1 RT, 1 LL, 1 RL
CASE II Locations: 1 LT 1.00
Internal Armor
Structure Factor
Head 3 9
Center Torso 23 37
Center Torso (rear) 8
L/R Torso 16 24
L/R Torso (rear) 8
L/R Arm 12 22
L/R Leg 16 29
================================================================================
Equipment Location Heat Critical Mass
--------------------------------------------------------------------------------
2 MML-9s RA 10 10 12.00
2 MML-9s LA 10 10 12.00
C3 Computer (Slave) HD 0 1 1.00
@MML-9 (LRM) (52) LT - 4 4.00
@MML-9 (SRM) (33) LT - 3 3.00
Free Critical Slots: 1
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 7 Points: 15
4 4 3 2 0 3 0 Structure: 6
Special Abilities: C3S, CASEII, MHQ1, SRCH, ES, SEAL, SOA, SRM 4/2/0, LRM 0/2/2, IF 2