3rd Army Group, Royal Artillery was one of four AGRAs attached to 2nd Army in Normandy (along with 4th 5th and 8th AGRA). Each comprised a Field Regiment (25-pdrs), three or four Medium Regiments (4.5-inch and 5.5-inch), and one Heavy Regiment (7.2-inch & 155mm M1).
This set has markings for six vehicles suitable for both 1/72 and 1/76 models