Cadillac-Gage manufactures a Cadillac-Gage 1 metre turret for armored vehicles.
The turret mounts on a 1-meter turret ring.
They were originally armed with a 7.62 mm machine gun

Machine gun

A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute....

, and a 12.7 mm machine gun.

One variant of the Canadian AVGP

AVGP

The AVGP is a series of three armoured fighting vehicles ordered by the Canadian military in 1977.The three vehicles are the Cougar, Grizzly and Husky....

 mounts this turret.
When Canada made these older vehicle available to African Union

African Union

The African Union is a union consisting of 54 African states. The only all-African state not in the AU is Morocco. Established on 9 July 2002, the AU was formed as a successor to the Organisation of African Unity...

 peace-keeping forces in Sudan

Sudan

Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...

 they had to seek permission from the United States Government in order to ship them with their turrets.