The Kanonenjagdpanzer is also known as the Jagdpanzer, Kanone 90mm ("tank destroyer, 90mm Gun") or Kanonenjagdpanzer 4–5.

主武器为90毫米bk90反坦克炮，位于车体前斜甲板中心线偏左位置，身管长为3635毫米，采用大侧双气室炮口制退器和横楔式自动炮闩。 火高低射界为-8～+15度，方向射界±15度，最大射速为每分钟12发。

They built another pair of prototypes, equipped with the German-built Rheinmetall BK 90/L40, derived from the US patented antitank gun. Development goes on until 1965 when the Kanonenjagdpanzer (sometimes followed by 4 5 or "90"), also called Jagdpanzer Kanone 90, was accepted for service in the Bundeswehr.

The BK90 is a German modification of the American 90 mm gun M1/M2/M3 taken from old M47s. It has access to HEATFS, HE, and HESH which is the only new round. The gun's HEATFS shell has amazing penetration at long range for the BR combined with a short reload time.

Main article: BK90 (90 mm) The JPz 4-5 is equipped with a Rheinmetall 90 mm BK 90/L40 anti-tank gun. When the Soviets began deploying their T-64 and T-72 main battle tanks, the 90 mm gun was not capable of engaging them in long-range combat and at that point the Kanonenjagdpanzer 90 mm became obsolete, despite the claims from manufacturers that ...

2021年10月13日 · Kanonenjagdpanzer 90, armed with a Rheinmetall BK 90/L40 90mm gun. A weird-looking tank destroyer, i'd say it's a cold-war era Jagdpanzer IV or StuG III Ausf G. (Munster, 1963)

The BK90 is a 90mm German modification of the American M41 cannon of the early cold war era. in CTS, its high penetration HEAT-FS round can give lighter vehicles incapable of carrying larger cannons a serious amount of firepower. The BK-90 has the highest penning 90mm round of …

They built two prototypes with minor differences in 1963 and 1964. The tank was designed to be able to deal with the then modern Soviet armour, so they used a BK-90 cannon, a license built German variant of the American M1 cannon.

2021年1月5日 · 这炮一出，不仅英国人发现94毫米（20磅）和120毫米线膛炮，乃至于183毫米大管子在内的 坦克炮全都成了废物，就连海对面的美国人也丢掉了90毫米M3反 坦克炮与120毫米M58坦克炮，抱着L7改名的M68线膛炮直喊“哎，真香！ 美国陆军到底是天下第一绝情，直接把120毫米炮的M103重坦全部丢给海军陆战队，移情别恋M60去了。 而就在整个西方世界都在拥抱L7线膛炮的同一年，德国人却抄着自己二战时“四号 坦克歼击车”的作业，反潮流地新造了一台 …

These 90 mm cannon-armed tank destroyers would see use up until the early 1980s, but variants derived from the vehicles stayed in Bundeswehr service until 2003. The JPz 4-5 was introduced in Update 1.53 "Firestorm".