Anvil Industries has its first wave of images out for their new Modular Heavy Weapons. These are rather cool, and the best part is... Wave two is coming next month.
Check out the site, because you can mix and match parts to make the weapons how you like, with wheels, tracks, a tri-pod, etc.
via Anvil Industries
http://anvilindustry.co.uk/regiments-heavy-support-weapons
Wave Two Heavy Weapons (scheduled for mid September) will include:
Guns : Maxim Gun, Twin HMG, Field Gun, Cyclic Phase Blaster, Flame Cannon
Gun Mounts : Large Gun Carriage (with larger wheels), Walking Mech platform
Additional Kneeling Legs and Gunner/Spotter Arms for the Regiments range, to allow the creation of Custom Six man Heavy weapons Squads.