Beastars (stylized as BEASTARS) is a 2019 anime series that originally aired on Fuji TV in Japan before being brought to Netflix as a "Netflix Original Anime Series" in 2020. Focusing on a world populated by anthropomorphic animals, the show currently has one season with a second season due in 2021.
The following weapons were used in the anime series Beastars:
M1911A1 pistols are used by various members of the Shishi-Gumi crime organization, most notably being their boss, and can be seen in the episodes "A Wolf in Sheep's Clothing" (S1E10) and "To the Neon District" (S1E11).
SIG-Sauer P220
Louis the red deer is seen with a SIG-Sauer P220 in the beginning of the episode "To the Neon District" (S1E11). It is the early 1st generation model as evident from the uniquely shaped hammer. At different points of the scene it appears in the hammer switches from being cocked to being down and then back again.