Had a new Sheriff (outsider)come in and complained about the issued HK USP in .45 were too heavy. Caught him in uniform one day with empty mags, as I questioned and asked if he was really that "tactically challenged..." It got worse as he decided everyone should carry what they want, propelling us 20 years backwards. He strapped on his Glock in 9mm (never looked to see if the extra mags were loaded). Then deputies started buying different weapons from different companies in different calibers, thus no similarity.
Then my prediction of 40 S&W sleeping in .45 acp chambers began, range incidents of being able to fire the 40 and thus disabling the weapon. A couple times some were found with the .40 ammo in the issued .45's during inspection. A general mess as years of continuity came to an end, there and other places. We used to allow any of those that couldn't handle the size of the USP in .45, to go to a 9mm within the same weapon system, for familiarity purposes Can't remember any that did to include the females. The Boss was not able to grasp anything tactical to include the teams, I just retired rather continuing to watch policies get scuttled as my challenges started risking my rank.
Different story, but the point is that systems and uniformity are there for a reason and one doesn't have to look far to see why. A unified force isn't a place for carry, "what I want" cowboy approach. Teams were allowed to stray with justified reason into more specialized weapons for their mission, even they have uniformity (usually to .45 acp)...
The 1911 lived on, just like the M-14 to well into the 21st Century is an example. But the infrastructure for their support was already in place and were secondary to issued for special purposes.
Rant complete and scars remembered, but happy ending as things are returning from which they came, under a new Boss... Around and round eh.