In the end they did both. The new 40 mm design used a larger 40×365R round firing a slightly lighter 870 g shell at a much higher 1,030 m/s (3,379 fps) muzzle velocity. The rate of fire was increased to 240 rounds per minute (4.0 rounds per second), similar to the German Flak 43.

The new 40 mm design used a larger 40x365R round firing a slightly lighter 870 g shell at a much higher 1,030 m/s (3,379 fps) muzzle velocity. The rate of fire was increased to 240 rounds per minute (4.0 rounds per second).

The Bushmaster IV requires 5 hp (3.7 kW) at 24 volts to operate, fires from a cook off safe open bolt with absolute hangfire protection, and ejects forwards. It fires NATO standard 40×365mm ammunition from an integral linkless feed and has a recoil force of 62,272 N (13,999 lbf).

给装甲车辆用的炮弹减重有什么意义，40x365R的整弹重顶格算也才3kg，就算带一千发也才3t，实际上能带个五百发就已经是顶级配置了，为了减重搞塑料弹壳意义何在？

2024年6月19日 · US made 40x365r L/70 M811 HEI-PD round developed for the “famous” (and long canceled) M247 Sgt. York self-propelled anti-aircraft gun. The projectile used a steel body filled with a high explosive known as Octal which has a higher detonation speed than something more commonly used like RDX.

2023年8月26日 · CV9040步兵战车的博福斯40/70B系列速射炮可以发射下述几种类型的40x365R口径作战弹药，包括Slpprj 90尾翼稳定脱壳穿甲弹(APFSDS)、Slsgr 90高爆榴弹(HE)、 Kulsgr 90预置破片榴弹(PFHE)、Kulsgr 95预置破片编程近炸弹(3P)。

INERT 40mm Bofors L70 case. 40x365R. Approx length 14", Approx width 3". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition.

Bofors 40 mm gun is a name or designation given to models of 40 mm calibre automatic anti-aircraft guns designed and developed by the Swedish company Bofors: Media related to Bofors 40 mm gun at Wikimedia Commons.

HE-T TP-T DIMENSIONS & MASS BALLISTICS Cartridge length 535 mm V0 mean 990 m/s Cartridge mass 2500 g Pmax 3180 bar Case length 365 mm Aberration elevation Vv< 35 cm Case mass 955 g Aberration deflection Vp< 30 cm Explosive charge Hexolite or Hexotonal PACKING Propelling charge NC powder 1 complete round […]

The 40mm ammunition family, intended for use in world famous Bofors L/70 design - based weapon systems, probably representatives today’s most versatile and leading ammunition type in field od medium calibre ammunition. Buy AMMUNITION 40mm x 365 FOR ANTI-AIRCRAFT GUN 40mm L/70 BOFORS Ammunition....