Cannon barrels

Cannon Barrels is a members-only item on the OSRS Grand Exchange in the bars category.

In-game examine text: "The barrels of the multicannon."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 112.5k gp, and item ID 10.

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Cannon Barrels shows an active flip setup with a margin of +7.8k gp and 792 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 549.4k gp — high margin with healthy liquidity.