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The Raufoss Mk 211 is a .50 BMG (12.7×99mm NATO) multi-purpose anti-material high-explosive incendiary/armor-piercing ammunition projectile produced by Nammo under the model name NM140 MP. [1] It is commonly referred to as multipurpose or Raufoss , meaning red waterfall in Norwegian.
Raufoss Mk 211. High-explosive incendiary/armor-piercing ammunition (HEIAP) is a form of shell which combines armor-piercing capability and a high-explosive effect. In this respect it is a modern version of an armor-piercing shell. The ammunition may also be called semi-armor-piercing high-explosive incendiary (SAPHEI). [1]
Raufoss Ammunisjonsfabrikker was a Norwegian company based at Raufoss, established in 1896 as Rødfoss Patronfabrik. Initially the company manufactured ammunition, and later also other products, such as aluminium parts to the automotive industry. Until 1948 the company was a subordinate to the Norwegian Ministry of Defence.
A "combined effects" cartridge, the Raufoss Mk 211 Mod 0 HEIAP cartridge contains a .30 caliber tungsten penetrator, zirconium powder, and Composition A explosive. It can be used in any .50 caliber weapon in the US inventory with the exception of the M85 machine gun .
A mine shell (from German: Minengeschoss, "mine shot") or high-explosive, high-capacity (HEHC) [a] in British military nomenclature, [1] [2] [3] is a military explosive shell type characterized by thin (usually steel) shell walls and a correspondingly high quantity of explosives, much higher than the traditional high-explosive shell type per caliber, meaning that mine shells trade ...
The Raufoss .50 round itself is easily identified by its sea-green colored bullet tip over a underlying tip color of white/silver. The headstamp on the casing can also help to identify the round as Raufoss and some common headstamps include: HXP89, WCC94 & FN91; or HXP, WCC or FN with different 2-digit numbers as production year suffixes.
Brisance is of practical importance in explosives engineering for determining the effectiveness of an explosion in blasting and quarrying, and in weaponry such as fragmenting shells, bomb casings, grenades, and plastic explosives.
Nukemap (stylised in all caps) is an interactive map using Mapbox [1] API and declassified nuclear weapons effects data, created by Alex Wellerstein, a historian of science at the Stevens Institute of Technology who studies the history of nuclear weapons.