It is a baby because it's so cute! About the boomer thing, it packs 8 Heavy Shotgun rounds in 8 separate barrels, and they can be discharged all at once.

Manufacture:
Cost: 1000
Time: 750
Required items: Scrap Metal: 6
Used for manufacturing of:   not used for anything

Ranged TU, ACC, (range):
  • Auto: 72%TU, 100% (3)
  • Snap: 27%TU, 125% , (5)

Compatible ammo (dmg):
Weight: 18