View Full Version : What calibers are out there for AR pistols?
10-01-2009, 6:20 PM
Other than the obvious 5.56, .22 and 9mm, what kind of pistol calibers are out there for ~10.5" uppers? And where could I order such things? I'm specifically thinking 10mm, .357sig or maybe .45, if they exist. Availability of quality magazines is a requirement.
10-01-2009, 6:26 PM
you could always find an upper and have it cut down (still doesnt answer your question as to who makes them, sorry)
10-01-2009, 7:30 PM
all of them. You just have to have the barrel made. .45 and 10mm I know are out there.
10-01-2009, 7:42 PM
7.62 x 39, 6.8 SPC, .40 cal are some production pistol uppers out there.
Theoretically, you go do any calibers if you can get a gun smith to cut a existing AR rifle barrel barrel down to pistol size. One caliber comes to mind is the 5.45 x 39, since the surplus ammo is cheap compared to other calibers these days.
10-01-2009, 7:46 PM
I saw a 5.7 pistol, that was kind of neat. All the same calibers you can get for an AR rifle you can get for an AR pistol.
10-01-2009, 8:43 PM
I have cut down a lot of barrels to make pistol uppers for people.
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