Tuigan Bow

Tuigan Bow is an enchanted short bow +1 which also improved rate of fire, it can shoot 3 arrows per round instead of 2 compared to any other short bow. It has -1 THACO, a +1 bonus to damage, a speed factor of 5 and it weighs 2 lbs. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It's not known where this bow can be acquired.

In-game description
"Tuigan Short Bow +1 The Tuigans are a nomadic people widely dispersed across the steppe regions of Faerun but bound together by a common bloodline. The bows they make are especially tailored for their mobile warriors, and the process used is carefully guarded, but the result is well known: any bow of Tuigan origin can be fired faster than is possible with a normal one."