Post an animé character who wields a gun

Death Gun from Sword Art Online II.

Riza Hawkeye from FMA/FMAB

Death the Kid from Soul Eater. His trigger finger is his pinky.

Mine from Akame ga Kill.

Akemi Homura from Puella Magi Madoka Magica

Sinon from Sword Art Online II

Tomoe Mami from Puella Magi Madoka Magica

Kurusu Keigo from Mirai Nikki

Bando from Elfen Lied

Death the Kid from Soul Eater

Kiryuu Zero from Vampire Knight

Revy from Black Lagoon

Yuri Nakamura from Angel Beats

Inori Yuzuriha from Guilty Crown

Yoko Littner from Tengen Toppa Gurren Lagann

Kitayama Shizuku from Mahouka Koukou no Rettousei

Shiba Tatsuya from Mahouka Koukou no Rettousei

Masaki Ichijou from Mahouka Koukou no Rettousei

Brandon Heat from Gungrave

Riza Hawkeye from Fullmetal Alchemist

Vash the Stampede from Trigun

revy from black lagoon

Alucard from Hellsing Ultimate

Vash the Stampede.

Sinon from Sword Art Online

Alzack Connell from Fairy Tail

Yoko Littner from Gurren Lagann

Panty Anarchy From Panty And stockage, empoissonnement With Garterbelt !!!!

train hearnet

Kurumi Tokisaki from rendez-vous amoureux, date A Live!

Mine from Akame ga Kill,Fumika from Shigofumi and Akemi Homura plus Mami Tomoe from Puella Magi Madoka Magica!

ok but toi never a dit what kind of gun it had to be
have a water gun

Kisara Tendo from Black Bullet

Coyote Starrk (Bleach)

Spike Spiegel-Cowboy Bebop

I'm surprised no one else thought of this before me.

Gilbert Nightray from Pandora Hearts.

Reborn - KHR!