While we're doing Baneblade variants I'd buff the Stormhammer as such:
- Stormhammer Cannon
Range 72", S9, Ap-3, Damage D3+3, Heavy 2D3. Can add 1 to hit rolls if it's fired at a target hit by the coaxial Multi-Laser in the same turn.
- Twin Battlecannon
Range 72", S8 Ap-2, Damage D3, Heavy 3D6