回転 かいてん弾倉 だんそう しき拳銃 けんじゅうであれば
kaitenda n sō shikikenjūdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 回転弾倉式拳銃

1. If it were a revolver; If it's a revolver

Ba Conditional