The Rheinmetall 120mm gun is a smoothbore tank gun designed and produced by the West German Rheinmetall-DeTec AG company, developed in response to Soviet advances in armor technology and development of new armored threats. Production began in 1974, with the first version of the gun, known as the L/44 as it was 44 calibers long, used on the German Leopard 2 tank and soon produced under license for the American M1A1 Abrams and other tanks. The 120-millimeter gun has a length of 5.28 meters, and the gun system weighs approximately 3,317 kilograms. A variety of ammunition has been developed for use by tanks with guns based on Rheinmetall's original L/44 design. This includes a series of kinetic energy penetrators, such as the American M829 series, and high explosive anti-tank warhead warheads. Recent ammunition includes a wide range of new anti-personnel rounds and demolition munitions, giving tanks armed with the L/44 and its derivatives greater versatility on the modern battlefield. The LAHAT, developed in Israel, is a gun-launched missile which has received interest from Germany and other Leopard 2 users, and is designed to defeat both land armour and combat helicopters. The Israelis also introduced a new anti-personnel munition which limits collateral damage by controlling the fragmentation of the projectile.
Powers and Stats
Tier: 9-B to 9-A
Name: Rheinmetall 120mm Main Gun (license-built as the M256 by General Dynamics Land Systems)
Origin: Real Life
Classification: Smoothbore tank gun
Wielders: German, American, Japanese, South Korean, Dutch, Swiss, Swedish, Spanish, Austrian, Danish, Finnish, Australian, Saudi Arabian, Kuwaiti, and Canadian armed forces
Powers and Abilities: Launches 120mm shells at high velocity
Attack Potency: Wall level+ to Small Building level (can collapse small houses and seriously damage load-bearing walls of a large building)
Speed: Supersonic+ to Hypersonic
Lifting Strength: At least Class 5+ (given a mass of 3084 kilograms and impulse of 31137.5 Newton-seconds, the gun's recoil should be able to easily move objects like 5-ton trucks)
Striking Strength: Wall Class+ (the gun's recoil energy should be over 150 kilojoules)
Durability: Likely Wall level (given the gun's heavy construction is built to withstand firing over 1000 rounds without maintenance)
Range: Several kilometers with most shells, up to a kilometer with anti-personnel munition
Note: Generally speaking, other tank guns of similar caliber like the L30, IMI 120mm, CN120-26/52, and 2A46 D-81 should be comparable performance to this one.