The following year the Fox was accepted for service with the British Army and a production order was placed with Royal Ordnance Leeds.

It had a crew of three and had a low profile rotating turret armed with a 30 mm L21 RARDEN cannon, which was manually fed with three-round clips; 99 rounds were carried.

[2] Without preparation, the Fox can ford one metre of water and a flotation screen can be erected in two minutes.

Drive when floating was solely from the road wheels, giving poor performance and the screens were removed from most UK vehicles early in their service life.

Small numbers were also attached to air mobile, armoured and mechanized infantry battalions to form a reconnaissance platoon.