Two questions: Is she going to use this on duty? Will it be allowed by her Department?
In the first post he lists the Department approved weapons.
OK...the question should have been "will she carry this off duty or on duty?" Departments usually have DIFFERENT lists for Off duty carry then they do for ON duty carry. And, most departments, IMHO, do not allow officers to carry the variance of weapons, mentioned here, ON DUTY.
Off duty is usually a one on one confrontation where the officer has little or no backup, unless he carries a department radio everywhere. Plus the weapon is almost always concealed (thereby usually smaller). So, departments allow more types of weapons OFF duty provided the officer can qualify with it.
However, ON duty, most departments have more requirements. Type, caliber and make of weapon is usually regulated for good reason. I have never seen a police department allow that many types of weapons to be carried ON DUTY. However, as may be pointed out, I do not KNOW the regs of EVERY department in the US.
When officers qualify or re-qualify, with whatever they carry, the reason is simple: It enhances "muscle memory" for those high stress situations police officers find themselves, where "adrenelin rush" kicks in (the nervous system restricts or changes body functions like vision, motor skills, and reasoning abilities) . It usually follows, that each officer, ON DUTY, can or should be able to, pick up another officer's weapon and be proficient with it. Plus, mags/cal are interchangable ("Wheel guns" just need the same type of caliber). Some weapons, like those mentioned, have decocking levers. Some have double single action or just one (single or double action). Trigger pulls are different, mag realeases are different, etc. It is a scary situation to be out of ammo and your partner(s) have a different cal or mag type. Now what?
Again, IMHO, I find it hard to believe that a department would allow that variance of weapons to be used on duty. But, having been a West Texas peace officer, for awhile, I have seen some departments/officers do some really strange things. However they were not all bad
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Again, ask her training officer or range master. They should have the knowledge both of the department's requirements and her individual requirements.
I hope you find a weapn that "suits" her. I know she will be happy with your effort. Most men would never buy their wives guns, so your marriage is probably very strong.....I hope!