Recoilless rifles are sometimes confused with rocket launchers. U10-series trucks fitted with heavy machine guns, recoilless rifles, and anti-aircraft autocannons. Smoothbore variants are recoilless "guns". Fire from VC recoilless rifles and a barrage of mortar rounds tore into the column. Then B-40 rockets and 57mm recoilless rifle fire were unleashed upon them. Modified version equipped with a M40A1 106mm recoilless rifle. He also served as the battalion's 106mm recoilless rifle platoon commander. It was later replaced by the 120 mm BAT recoilless rifle anti-tank weapon. The Polyus weapons platform was designed to defend itself against anti-satellite weapons with recoilless cannon. Shoulder-launched rockets or recoilless guns are a favored anti-technical weapon. The Flyer replaced Singapore Army jeeps armed with 106mm recoilless guns. The AT4 may be considered a disposable, low-cost alternative to a Carl Gustaf recoilless rifle. He also led British developments in recoilless rifles as a means to deliver the shell. Self-propelled recoilless guns are vehicles designed to carry recoilless guns. This distinction is often lost, and both are often called recoilless rifles.