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438:(Norwegian Defence Research Establishment) have concluded that the ammunition most likely does not have an unlawful effect if unintentionally used against personnel, as the round will have penetrated the body and exited on the other side before the explosive and incendiary components of the round are initiated. Upon hitting a person the round will detonate about 50% of the time; if the target is wearing
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of 1899 and 1907 – which superseded the St. Petersburg
Declaration, and were signed by a far wider circle of nations – do permit the use of such ammunition for autocannon and heavy machine guns. Machine guns firing .50 cal./12.7mm ammunition are heavy machine guns. At best, the ICRC's position can be
454:
is that the 12.7 mm MP round should not be used against personnel, but an exception has been made for snipers using the round due to the practical limitations of snipers having to change the type of ammunition used when switching between hardened and soft targets. It is being exported strictly
446:
and incendiary effect in a 30-degree cone behind the struck target, and this might affect others standing in the vicinity. The distance the round will travel from ignition to detonation is 30–40 cm, so if the target is hit at very specific angles the round may still be inside the target at the
342:
on the casing will not help to identify the round as
Raufoss. Common headstamps are used, and only designate the location, and year of final assembly of the completed round. Headstamps in general will read as (but are not limited to): HXP 89, WCC 94, LC 01 or FN 91. The two or three letter prefix
182:. Due to its popularity, several U.S. arms manufacturers produce the round under license from NAMMO Raufoss AS. However, due to the complex structure of the projectile and consequently high costs (ca US$ 75 per round), the popularity is restricted to special mission profiles.
197:", with "F3" being the current revision as of 2020. There is also a tracer variant, the Mk 30/NM160 in Norwegian service, used in the Browning heavy machine gun. The "DT" (IR tracer) variant called NM 263 is not used by the US.
425:
the "military or naval" use of explosive or incendiary projectiles with a mass of under 400 grams is forbidden. However, that declaration does not govern the conduct of non-signatory parties. However, the
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component, thus making it capable of penetrating lightly armored targets and causing damage to personnel inside the target after penetration. It is a suitable round for engaging
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at 45° from a range of 1000 meters. The slower-burning deflagration action results in a characteristic fragmentation pattern with large pieces dispersed in a 30-degree cone.
50:
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a higher detonation frequency is to be expected (as shown by the ICRC tests carried out in 1999). If detonated, the round will have a significant
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has sought to have the ammunition banned, due to concern over the incendiary and explosive components and their effect on personnel. Under the
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There has been much debate over whether the Mk 211 projectile is legal to use against personnel, or if it is strictly anti-
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for machine gun use. Under the international (or
Norwegian) NM nomenclature, revisions are indicated by a trailing "F
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343:(HXP, WCC, LC or FN) designates the place of assembly; the two-digit suffix numbers specify the production year.
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732:"Does the Swedish use of the 12.7mm Multipurpose Projectile undermine the St. Petersburg Declaration?"
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machine guns in naval applications, includes a row of red paint between the green and white rows.
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The multipurpose concept developed by
Raufoss is unique in that, instead of using a mechanical
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https://www.nammo.com/wp-content/uploads/2020/05/nammo_ammo_handbook_aw_screen_updated.pdf
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applied to only the group of nations that were parties to the St. Petersburg
Declaration.
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International
Efforts to Restrict or Prohibit Military Small Arms: Annual Report 2001
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Mk 211 Mod 0, with green over white painted tip. The round pictured is made by the
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570:. Defense Technical Information Center. April 1994. p. 150. Archived from
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This round is usually identified by a green over white paint tip mark. Its
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235: in this section. Unsourced material may be challenged and removed.
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43:
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703:"The Effect of 12.7mm Multi-Purpose (MP) Ammunition in Human Tissue"
385:. Statements consisting only of original research should be removed.
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536:. Defense Technical Information Center. p. 12. Archived from
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in the US with a projectile probably produced by Nammo of Norway.
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The Mk 211/NM140 is graded into two accuracy classes: Class A is
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152:. The Mk 211 has about the same destructive power as a standard
103:
148:, as well as unarmored vehicles, and it is capable of igniting
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Mark 211 .50-caliber
Multipurpose Ammunition - Global Security
350:
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round against such targets and can penetrate 11 mm of
565:"Army Ammunition Data Sheets for Small Caliber Ammunition"
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rifle and other .50 BMG rifles. It is also often used in
86:, Norway. The "Mk 211" name comes from the nomenclature
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Loaded magazine for an M-107 sniper/anti-materiel rifle
78:
in
Norwegian. This refers to Nammo's precursor company
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High-explosive incendiary/armor-piercing ammunition
51:
high-explosive incendiary/armor-piercing ammunition
82:, an ammunition manufacturer established 1896 in
770:Office of the Judge Advocate General of the Army
559:
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618:"Mark 211 .50-caliber Multipurpose Ammunition"
118:) of the explosive and incendiary components.
8:
676:. International Humanitarian Law Databases.
27:.50 caliber (12.7×99mm NATO) ammunition type
611:
609:
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331:variant, which is typically only used with
401:Learn how and when to remove this message
295:Learn how and when to remove this message
163:The Mk 211 is a very popular .50 caliber
795:High explosive and incendiary ammunition
678:International Committee of the Red Cross
595:
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419:International Committee of the Red Cross
29:
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189:ammunition, while Class B is ordinary
121:The multipurpose name is based on an
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737:. Uppsala University. Archived from
730:Moosberg, Louise (August 18, 2003).
531:"20mm AMR – New Use for Unused Ammo"
423:Saint Petersburg Declaration of 1868
233:adding citations to reliable sources
25:
624:from the original on June 2, 2016
780:Official Mk211 site at NAMMO.com
674:"St Petersburg Declaration 1868"
355:
209:
110:ignition train to ensure proper
64:. It is commonly referred to as
684:from the original on 2009-09-29
655:from the original on 2007-08-24
220:needs additional citations for
46:(12.7×99mm NATO) multi-purpose
710:Forsvarets Forskningsinstitutt
455:in an anti-matériel capacity.
436:Forsvarets Forskningsinstitutt
1:
506:"Nammo AS - 12,7mm (.50 Cal)"
34:The Raufoss Mk.211 projectile
80:Raufoss Ammunisjonsfabrikker
450:The official stance of the
381:the claims made and adding
816:
643:"Small Caliber Ammunition"
616:John Pike (May 13, 2010).
508:. Nammo AS. Archived from
648:. ATK. pp. 31–32.
620:. Globalsecurity.org.
324:
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35:
800:Explosive projectiles
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60:under the model name
33:
452:Norwegian government
447:time of detonation.
434:Trials conducted by
229:improve this article
465:Anti-materiel rifle
712:. October 16, 2003
366:possibly contains
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176:heavy machine guns
167:round used in the
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512:on April 15, 2008
428:Hague Conventions
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244:"Raufoss Mk 211"
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146:armored vehicles
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40:Raufoss Mk 211
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75:red waterfall
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48:anti-materiel
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18:Raufoss Mk211
746:. Retrieved
739:the original
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714:. Retrieved
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686:. Retrieved
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657:. Retrieved
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626:. Retrieved
579:. Retrieved
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227:Please help
222:verification
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178:such as the
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144:and lightly
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112:deflagration
106:, it uses a
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90:used by the
88:Mk 211 Mod 0
87:
73:
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66:multipurpose
65:
61:
56:produced by
39:
37:
285:August 2010
187:match grade
180:M2 Browning
138:helicopters
789:Categories
748:2010-08-22
716:2010-08-22
688:2010-08-27
659:2010-08-27
628:2010-08-22
581:2010-08-27
547:2010-08-27
516:2010-08-27
492:References
486:Mine shell
440:body armor
375:improve it
255:newspapers
134:incendiary
116:detonation
72:, meaning
54:projectile
379:verifying
340:headstamp
132:, and an
130:explosive
682:Archived
650:Archived
622:Archived
459:See also
415:materiel
347:Legality
333:belt-fed
150:jet fuel
142:aircraft
126:tungsten
62:NM140 MP
481:.50 BMG
472:(HEIAP)
373:Please
269:scholar
169:Barrett
84:Raufoss
70:Raufoss
44:.50 BMG
329:tracer
271:
264:
257:
250:
242:
165:sniper
742:(PDF)
735:(PDF)
706:(PDF)
653:(PDF)
646:(PDF)
575:(PDF)
568:(PDF)
541:(PDF)
534:(PDF)
276:JSTOR
262:books
114:(not
58:Nammo
42:is a
338:The
248:news
154:20mm
104:fuse
38:The
377:by
313:WCC
231:by
172:M82
158:RHA
68:or
791::
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606:^
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556:^
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292:(
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283:(
273:·
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259:·
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195:n
20:)
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