Based off Triton 2, its fairly easy of a refit if you have UMU for Protos. Small pulse for slightly better range and anti infantry bonus.
Triton (amphibious)
Mass: 8 tons
Power Plant: 50 Fusion
Cruising Speed: 43.2 kph
Maximum Speed: 64.8 kph
Armor: Unspecified
Armament:
1 Small Pulse Laser
1 LRM 3
Manufacturer: Triton Assembly Yard
Primary Factory: Roche
Communication System: Unspecified
Targeting & Tracking System: Unspecified
Introduction Year: 3150
Tech Rating/Availability: F/X-X-X-E
Cost: 796,842 C-bills
Type: Triton
Technology Base: Clan (Advanced)
Tonnage: 8
Battle Value: 254
Equipment Mass (kg)
Internal Structure 800
Engine 50 1,500
Walking MP: 4
Running MP: 6
UMU MP4 400
Heat Sinks: 2 500
Cockpit: 500
Armor Factor: 38 1,900
Internal Armor
Structure Value
Head 2 6
Torso 8 13
R/L Arm 2/2 4/4
Legs 5 8
Main Gun 1 3
Weapons
and Ammo Location Mass
LRM 3 Multi-Purpose Ammo (12) BD 300
Small Pulse Laser T 1000
Light Active Probe T 500
LRM 3 MG 600