Vehicle-wise, you can go hog-wild. You can have a 9/14 tracked vehicle with 4 flamers and a rear-mounted AC-2 if you can come up with a story about it. Individual planets have their own needs.
I'm at work and don't have any of my stuff here, but you could probably rear-mount an LRM-5 and be okay.
Bombardier Beetle Mass: 20 tonsTech Base: Inner SphereMotive Type: TrackedRules Level: IntroductoryEra: Succession WarsTech Rating/Era Availability: D/X-E-D-DProduction Year: 2927Dry Cost: 388,000 C-BillsTotal Cost: 419,000 C-BillsBattle Value: 246Power Plant: 160 Fusion EngineCruise Speed: 86.4 km/hFlanking Speed: 129.6 km/hArmor: Standard ArmorArmament: 1 LRM-5 4 Vehicle FlamersManufacturer: Primary Factory: Communications System: Targeting and Tracking System: ================================================================================Equipment Type Rating Mass --------------------------------------------------------------------------------Internal Structure: Standard 8 points 2.00Engine: Fusion Engine 160 9.00 Cruise MP: 8 Flank MP: 12Heat Sinks: Single Heat Sink 10 0.00Control Equipment: 1.00Lift Equipment: 0.00Armor: Standard Armor AV - 30 2.00 Armor Factor Front 10 Left/Right 6/6 Rear 8 ================================================================================Equipment Location Heat Spaces Mass --------------------------------------------------------------------------------4 Vehicle Flamers FR 12 4 2.00(R) LRM-5 RR 2 1 2.00@Vehicle Flamer (20) BD - 0 1.00@LRM-5 (24) BD - 0 1.00BattleForce StatisticsMV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 1 Points: 28t 1 0 0 0 1 0 Structure: 1Special Abilities: HT1
Bombardier Beetle Mass: 20 tonsTech Base: Inner SphereMotive Type: TrackedRules Level: IntroductoryEra: Succession WarsTech Rating/Era Availability: D/X-E-D-DProduction Year: 2927Dry Cost: 402,000 C-BillsTotal Cost: 433,000 C-BillsBattle Value: 196Power Plant: 180 Fusion EngineCruise Speed: 97.2 km/hFlanking Speed: 151.2 km/hArmor: Standard ArmorArmament: 1 LRM-5 4 Vehicle FlamersManufacturer: Primary Factory: Communications System: Targeting and Tracking System: ================================================================================Equipment Type Rating Mass --------------------------------------------------------------------------------Internal Structure: Standard 8 points 2.00Engine: Fusion Engine 180 10.50 Cruise MP: 9 Flank MP: 14Heat Sinks: Single Heat Sink 10 0.00Control Equipment: 1.00Lift Equipment: 0.00Armor: Standard Armor AV - 8 0.50 Armor Factor Front 5 Left/Right 1/1 Rear 1 ================================================================================Equipment Location Heat Spaces Mass --------------------------------------------------------------------------------4 Vehicle Flamers FR 12 4 2.00(R) LRM-5 RR 2 1 2.00@Vehicle Flamer (20) BD - 0 1.00@LRM-5 (24) BD - 0 1.00BattleForce StatisticsMV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 0 Points: 29t 1 0 0 0 1 0 Structure: 1Special Abilities: HT1