Where was the first gun scene in Sunnydale?
Darla firing twin semi-autos at Buffy, shooting Angel at The Bronze ...Angel

Other gun scenes

Patrice, the Order of Terakah, firing at Buffy at school ...What's My Line II
Coach orders Buffy into the water at gunpoint for his "boys"...Go Fish
A hunter (Kane) looking for a werewolf in Lovers' Lane..w/rifle ...Phases
Jonathan, in the school tower with a gun ...Earshot
The ghost of a student who killed his teacher relives the crime ......Eyes For You
The hired hunters going after the Slayers at Slayerfest '98 ...Homecoming
Sunnydale cop fires a warning shot to stop Faith and Buffy from robbing a weapons
...store, to arm themselves against El Elimaniti ...Bad Girls
Lady cop fires at Buffy at school, trying to arrest her for Kendra's murder ...Becoming II

The anti-vampire Assault force...Freshman - Living Conditions - Wild At Heart - The Initiave - Hush