Comments - ktm911

The real reason for having the Rombo compared to a regular double barrel was to have more firepower. It will be balanced to around the same firepower as the Spas-12 for single shot. The main difference is that this weapon will take longer to reload, but also have a high power mode.
I'll look into weight, but their are heavier weapons to come, but thanks for letting me know the fact about the barrels.