Drillgun

 is a Tier 5 Tank that upgrades from Gunner Borer, Silo, Driller and Chain Gun level 60.

Design
The looks very similar to Driller, but its central deco barrel is extended slightly past its existing barrels, resembling the barrel layout of Nailgun.

Technical
The is essentially a fusion of Driller and Nailgun, or an Assassin-Nailgun. Its central barrel is no longer decorative and fires along with its other barrels.

Trivia

 * This tank was an idea by Spencer.