Like many, many other officers working for small depts, I have to provide my own weapons and gear, including body armor. I am reimbursed for everything except my guns. I can carry any quality handgun I want of appropriate caliber - 9mm, 357 SIG, .40 S&W, .45ACP - plus a patrol rifle in 5.56mm or. 308, and a 12gauge shotgun if I want. BUGs and off duty guns are also up to me, same basic criteria. Luckily for me, in addition to being a LEO, I'm also a respiratory therapist at the local hospital, so I can afford to buy and carry the guns I like/want.
I carry the following guns:
Duty handgun - FNP45 Tactical equipped with a Trijicon RMR02 mini red dot sight.
BUG - Pinnacle/Dietrich custom 9mm S&W 360J snubby
Off duty handgun - Novak/Joe Bonar custom Colt Commander
Patrol Rifle - SIG 556 Classic
Shotgun - Mossberg SPX930