Cool Cop Gear stocks the full line of Advantage Arms 22lr Conversions and MechTech Carbine conversions for Glock and 1911 style handguns.  The MechTech Carbine conversion is a quick and easy install, plus it gives you a valid excuse to buy a 2nd weapon. This was why you can keep the carbine set up and ready to go. We have a couple of officers on our staff who are in a rural setting and use the MechTech conversion as their squad rifle. The carbine conversions are great for dispatching the occasional wild dog or coy dog out  in a corn field. Not to mention it would give an officer a little more distance in the event a shooter is a bit farther away than you are comfortable with a handgun shot ( Please note*** We still prefer an AR15 M4 style rifle as a squad rifle, however some departments still do not authorize the use of same***I know, what can you do when the Ivory tower is making the rules rather than the tactics instructors?)