20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons" (e.g. machine gun vs. autocannon), is conventionally taken to be the 20 mm round, the smallest caliber of …

Dec 3, 2024 · In short, 20mm ammo can penetrate lightly armored vehicles, fortified positions, and even some main battle tanks depending on the specific round, distance, and angle of impact. The real answer is much more nuanced and depends on several key factors.

Nov 10, 1998 · Maximum effective range of the 20mm system on the AH-1 is normally listed as 2,000 meters. Fuze functioning and penetration are affected by velocity and angle of impact at all ranges, particularly at ranges in the upper one third of the 2,000 meter value.

Aug 14, 2023 · The 20 mm shell typically has a greater effective range compared to the 50 caliber bullet. This increased effective range is a result of the combination of higher velocities, greater projectile mass, and improved aerodynamic properties inherent in 20 mm shells.

Feb 18, 2024 · The 20mm caliber is significantly larger and more powerful than standard ammunition. Its increased diameter and muzzle energy make it suitable for piercing heavily armored targets and delivering devastating force.

Nov 1, 2016 · A 20 mm cannon would not penetrate the side armor. While there have been a huge number of 20 mm cannons through the years, none of them offer that sort of penetration. WWII cannons with specialized ammunition might penetrate 40 mm of armor.

Aug 20, 2023 · The 20 mm shell, with its imposing size, may raise questions regarding its caliber and potential applications. This article aims to provide a concise and informative overview of the caliber of a 20 mm shell, shedding light on its characteristics, …

Jan 4, 2008 · A conventional 20mm shell just doesn't have enough metal in the shell to provide much fragmentation. A missile like the Rapier probably in most cases, never actually hits the target, it comes close and explodes, the warhead itself has to …

Feb 18, 2024 · A 20mm shell is significantly larger and more powerful than smaller caliber ammunition, making it suitable for engaging larger, more heavily armored targets. Are there different types of 20mm shells? Yes, there are various types of 20mm shells designed for different purposes, including armor-piercing, high-explosive, and incendiary rounds.

Jul 7, 2011 · You don't get that option with a 20mm shell. A 20mm projectile must hit the target. If you want damage beyond a 20mm hole in the aircraft skin then it must contain enough HE filler to rip aluminum sheet metal and damage airframe structural members.