The Russian 14.5mm anti-tank round became a machine gun round for tanks for AA use.
The LAW was useless according to the people who used it. A 3.5” bazooka was better.
They still use the RR at ski places to start avalanches.
The Armed forces also had the M-67 90MM Recoilless rifle in inventory. Max effective range 400 meters max range 2300 meters weight 37 lbs. Stadia range finding reticle in the telescopic sight. Fires a HEAT and canister round We had them in Vietnam and in my National Guard 19-77 TOE MP unit
I know a Swedish guy, who retired from Aimpoint. He said they sold over a million sights to the Army and Marines, so we have been getting stuff from Sweden for awhile.