Hell, Crom Faeyr is +5. Fear it, ye evil ones! There's also Cutthroat, a +4 shortsword, the Defender, a +5 scimitar (although it's unlikely you'll get to keep that one) and the Boneblade dagger +4. Also there's Gesen's Short Bow +4 and the Sling of Everard +5. But yeah, you've got a point. To paraphrase the great Minsc, perhaps the bigger they are, the harder they hit.
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