I was talking to an old retired LAPD cop and a younger former Nevada state trooper firearms instructor and heard some interesting issues on duty guns? We all work together at a small PD. The old retired LAPD cop said he advocated all his officers carry the same gun for multiple reasons. Commonality in ammo and fire controls in case of a need to back up other officers low on ammo or a need to pick up and use another officers gun for what ever reason or if a fellow officers gun is somehow handed to an officer whos gun is out of commission or what ever...you get the point hopefully? Plus cost and liability is lower if everybody has the same gun since training is more standardized? The younger state trooper firearms instructor said he advocated his guys have the option to pick and choose from a list of approved guns that best fits each officer ergonomically, and what caliber they are more accurate with? The dept does have to expand their instructor and armorers qualifications to all these guns which impacts the budget but they believe there is less liability if all the officers are custom fitted to a gun they can actually shoot better with. He also mentioned that swapping ammo is very rare. (how many officers deplete their loaded mag and the 2 spares?) What do you guys think of these 2 philosophies?