12.7 × 99 mm NATO

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12.7 × 99 mm NATO
12.7 × 99 mm NATO
general information
caliber 12.7 x 99 mm
Sleeve shape rimless with pull-out groove
Sleeve shoulder ⌀ 18.36 mm
Sleeve neck ⌀ 14.00 mm
Floor ⌀ .50 / 12.69 mm
Cartridge bottom ⌀ 20.20 mm
Sleeve length 99.20 mm
Cartridge length 138.40 mm
Bullet weight 41.92–51.80 g
(647–800 grain )
Powder weight 16.50 g
total weight 110.00 g
Technical specifications
Speed ​​v 0 765-928 m / s
Bullet energy E 0 15,530-20,257 yrs
Lists on the subject

The cartridge 12.7 × 99mm NATO (including .50 BMG , for B rowning M achine G un ) is a standard cartridge of NATO , especially for heavy machine guns .


Cartridge .50 BMG compared to a 1 euro coin

The cartridge was originally developed for the M2-MG by John Moses Browning in the 1920s . Precursor of this cartridge was that of the German Polte works together with Mauser for the tank and flyer MG developed and tank gun M1918 used 13 × 92 mm Mauser cartridge with half edge . Previous attempts with French 11 mm ammunition did not produce the expected results. By analyzing captured German tank guns with the associated ammunition, the .50 BMG could then be developed.

In 1982, this ammunition type was Barrett Firearms Manufacturing . first used in a sniper rifle , the M82A1 . The .50 BMG is used in the military sniper field as a cartridge with high destructive power and extreme range and is mainly used for targeted single shots against material targets such as radio systems and radar devices.

An additional type of ammunition independent of the standardized types is the Saboted Light Armor Penetrator (SLAP) cartridge, developed in the 1980s . Here a sub-caliber arrow-shaped penetrator made of tungsten carbide is fired by means of a plastic drive mirror. This type of ammunition is used to increase the combat value of the M2 machine gun . The penetration capacity is 19 mm armor steel at a distance of 1500 meters.

Ammunition types (US military)

From left to right, back row: Mk211, spotter, silver tip (armor piercing incendiary), blue tip (incendiary), black tip (armor piercing), SLAP-T, SLAP, tracer and ball
Full cut cartridge (all dimensions in inches )

Cartridge, Caliber .50, Tracer, M1

Tracer ammunition for target marking, shot tracking and fire generation. Tip is red.

Cartridge, Caliber .50, Incendiary, M1

Incendiary ammunition , is used against unarmored and flammable targets. Tip is light blue.

Cartridge, Caliber .50, Ball, M2

Full jacket ammunition against soft targets and unarmored targets

Cartridge, caliber .50, armor piercing, M2

Armor-piercing ammunition for use against lightly armored vehicles, protected positions and against soft targets. Tip is black.

Cartridge, Caliber .50, Armor-Piercing-Incendiary, M8

Armor-piercing incendiary ammunition which is fired against armored combustible targets. Tip is silver.

Cartridge, Caliber .50, Tracer, M10

Tracer ammunition that doesn't glow as brightly as the M1. Tip is orange.

Cartridge, Caliber .50, Tracer, M17

Tracer ammunition that can be fired from rifles of the M82 and M107 series.

Cartridge, Caliber .50, Armor-Piercing-Incendiary-Tracer, M20

This cartridge is a variant of the M8 with an additional tracer and the possibility of firing it from the M82 or M107. The tip is red with a silver colored ring inside.

Cartridge, Caliber .50, Tracer, Headlight, M21

Tracer ammunition for aerial combat, shines about three times brighter than the M1 ammunition.

Cartridge, Caliber .50, Incendiary, M23

Incendiary ammunition for use against unarmored, flammable targets. Top is blue with a light blue ring.

Cartridge, Caliber .50, Ball, M33

Full jacket ammunition against soft targets and unarmored targets. Can be fired from sniper rifles like the M82.

Cartridge, Caliber .50, Saboted Light Armor Penetrator, M903

Armor-piercing sub-caliber bullet located in a sabot . Sabot is amber.

Cartridge, Caliber .50, Saboted Light Armor Penetrator-Tracer, M962

Like the M903 ammunition, but with an additional tracer element for shot tracking. The sabot is red.

Cartridge, Caliber .50, Ball, XM1022

A long range cartridge specifically designed for the Barrett M82 A1.

Cartridge, Caliber .50, High-Explosive Incendiary Armor-Piercing (HEIAP), Mk 211 Mod 0

A multi-purpose ammunition with a tungsten core, highly flammable zirconium powder and a composite A explosive charge. This ammunition cannot be fired from M85 machine guns. The tip is green with a gray ring.

Cartridge, Caliber .50, Armor-Piercing-Incendiary-Tracer, Mk 300 Mod 0

Mk 211 with tracer element

An overview of the ammunition used in the Bundeswehr can be found in the list of Bundeswehr ammunition .

See also

Web links

Commons : 12.7 × 99 mm NATO  - collection of images, videos and audio files

Individual evidence

  1. Tank rifle M1918. whq-forum.de, accessed on March 7, 2014 .
  2. Günter Wollert, Reiner Lidschun: infantry weapons yesterday . (1918-1945). In: Illustrated encyclopedia of infantry weapons from around the world . 3. Edition. tape 1 + 2 . Brandenburgisches Verlagshaus, Berlin 1998, ISBN 3-89488-036-8 , weapons, p. 567 .
  3. M82 Barrett Sniper Rifle. In: Armed Forces International. Retrieved March 7, 2014 .
  4. ^ A b c Sitting Ducks - The Threat to the Chemical and Refinery Industry From 50 Caliber Sniper Rifles. In: The Violence Policy Center. Retrieved March 7, 2013 .
  5. a b The .50BMG rifle caliber. In: Rifles in the UK. Retrieved March 7, 2014 .