The follwing guns are featured in the anime Kite Liberator.
Near the end of the movie, two hired goons, armed with Glocks, attempt to kill Monaka. Monaka quickly shoots them both in the head before they can get a clean shot at her.
In the opening scenes of the movie, Tsuin draws a Makarov PM and opens fire at the pursing police officers. Another Makarov is seen in Monaka's boss' armory, when Monaka is selecting her firearms for a job.
Monaka (as the Angel of Death) uses a fictional handgun with explosive rounds. Her boss called it "The Red Club" and states it was used by a young female assassin like her. Obviously referring to Sawa from the first Kite
Police Sergeant Rin Gaga carries this a SIG P228.
Tokarev TT-33 Pistol
Tsuin's older brother attacks Police Sergeant Rin Gaga, the cop he thinks killed his little brother, with a Tokarev TT-33 Pistol. Another Tokarev is seen in Monaka's boss' armory, when Monaka is selecting her firearms for a job.
Smith & Wesson Model 36
Rin's partner carries what looks like a Smith & Wesson Model 36.
Heckler & Koch MP5A4
Armed ISS officers aboard the International Space Station are carrying Heckler & Koch MP5A4s with mounted flashlights, which they fire on full auto. It seems a bit odd and dangerous to be bringing fully automatic sub-machine guns aboard a multi-billion dollar space station.
After firing all rounds in the Steyr Scout, Monaka goes for a full-out assault with a Steyr TMP.
Monaka attacks her mutated father with a Steyr Scout. She fires five times in quick succession, but the rounds do almost no visible damage. Note a traditional scope is mounted rather than a long eye relief scope which the rifle is designed for
During a school classroom bag inspection, one student has a pair of model guns on his desk. The two guns resemble a Smith & Wesson Model 29 (Dirty Harry's gun) and a H&K USP .45