Rune crossbow

Rune Crossbow is a members-only item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "A runite crossbow."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 9.7k gp, and item ID 9185.

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Rune Crossbow shows an active flip setup with a margin of +293 gp and 10,065 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 20.5k gp — high margin with healthy liquidity.