User blog comment:Cfp3157/Desire Makes Beasts of Men: Gaston vs. Clayton/@comment-108.227.158.159-20160416020840/@comment-5078776-20160416022215

Because a blackpowder shotgun compares less favorably than a bow against Clayton's shotgun. The longbow's more comparable, and Gaston really just walks around with it and shoots a barrel with it.