Large-caliber cartridges

specific size of autocannon ammunition

cartridge

The 20×138mmB or Long Solothurn cartridge is a type of ammunition used mainly for anti-aircraft and anti-tank weapons during World War II. The designation means the caliber is 20 mm, the length of the cartridge case is 138 mm and B indicates it is a belted case. The loaded cartridge weighs .

firearm caliber

The U-5TS (production designation 2A20) tank gun is a 115 mm-calibre weapon that was fitted almost exclusively to the Soviet Union's T-62 main battle tank. It was the first smoothbore weapon designed for tanks, and heralded the change in main armament from rifled cannons.

type of shell construction

The 23×152mmB is a large-caliber cartridge used by the USSR/CIS in the VYa-23 aircraft autocannon, the Ilyushin Il-2 ground attack aircraft, and in the 2A7 and 2A14 autocannons on the ZU-23-2 anti-aircraft gun series and ZSU-23-4 "Shilka", among others.

The 23×115mm round is used in Soviet (USSR)/Russian/CIS aircraft autocannon. Although superseded by the 30×165mm round the Russian Air Force still uses it in the GSh-23L (in some aircraft's tail turrets and in the UPK-23-250 gun pod) and the GSh-6-23 (in the Su-24). This round still serves in many countries and is widely available. The projectile weight is 175 grams.

caliber of ammunition