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Making cannonballs

Processing Low (AFK) Members Ironman-friendly

354KGP/hr
358KCapital to start (~1 hour of inputs)
650/hrActions per hour (assumed)

Use steel bars on a furnace with an ammo mould; each bar gives four cannonballs. Very AFK, low profit per hour but steady demand.

Requirements

  • Skills: 35 Smithing
  • Quests: Dwarf Cannon
  • Items: Ammo mould
  • Note: Edgeville furnace, single ammo mould. A double ammo mould from Giants' Foundry roughly doubles the rate.

How to do it

Method rates and requirements here are independently authored. For the step-by-step guide, see the OSRS Wiki page (CC BY-NC-SA 3.0).

The math (per hour)

ItemQty/hrUnitTotal1h volume
Steel cannonball2,600274+712,4001,499,939
limit 11,000/4h
Steel bar650551−358,150257,205
limit 10,000/4h
Revenue712,400
Costs−358,150
Profit / hour354K

Sell prices are after 2% GE tax (capped at 5M, items under 50 gp exempt). Inputs use the instant-buy price, outputs the instant-sell price — the conservative assumption. Buy-limit cap: none.

Prices updated 1s ago. Figures are estimates: buy at instant-buy price, sell at instant-sell price after 2% GE tax.

Something wrong?

Rates, requirements or items off? Email us and we'll fix the data. Current figure: 650 actions/hr.