The pistol was basically it up through the 1070s except on specialized missions like patrols where an SMG would have been preferred. FWIW, it was taught to us that "a platoon commander was too busy fighting his platoon to be shooting at the bad guys" but it appears that this old policy has since gone by the wayside. Seems like everybody's sporting an M4 these days. It also appears that every soldier's got a low-slung pistol too.
Farley Mowat in one of his books writes about his trusty M1 carbine (scrounged from the Americans) that he carried throughout Italy.
(wonder where he found .30 cal ammo? The .30 ammo escaped mention in another recent thread about weapons and ammo carried by Canadians within the Brit chain of command)
On a recent trip to Ottawa I was quite surprised to see the huge stock of Inglis 9mms the armorers were taking inventory of. One of them told me that on a recent trip to the US to participate in a pistol shoot, they received a lot of flak from the Americans for their "antique" pistols.