回転 かいてん しき弾倉 だんそうではありませんでした
kaitenshikidansōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 回転式弾倉

1. Was not a revolving cylinder.; Was not a rotary magazine.

Past/Perfective
Negative
Polite
Formal Register