Viquipèdia

5,56 × 45 mm OTAN: diferència entre les revisions

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{{Infobox firearm cartridge
| name = 5.56×45mm NATO
| image = [[File:GP90.jpg|300px|border]]
| caption = 5.56×45mm NATO with measurement, left to right: projectile, empty case, complete round with projectile in case
| origin = United States
| type = Rifle
| used_by = [[NATO]]
| wars = Since [[Vietnam War]]
| designer = [[Eugene Stoner]]
| service = 1963–present
| produced= 1963–present
| is_SI_specs = yes
| parent = [[.223 Remington]]
| case_type = Rimless, bottleneck
| bullet = 5.70
| neck = 6.43
| shoulder = 9.00
| base = 9.58
| rim_dia = 9.60
| rim_thick = 1.14
| case_length = 44.70
| length = 57.40
| case_capacity = 1.85
| rifling = 178 mm or 229 mm (1 in 7 in or 9 in, originally 1 in 14 in)
| primer = Small rifle
| max_pressure = 430.00
| pressure_method = EPVAT
| max_pressure2 = 380.00
| pressure_method2 = SCATP 5.56
| max_cup =
| is_SI_ballistics = yes
| bwunit = gram
| bw1 = 4
| btype1 = SS109 FMJBT
| vel1 = 940
| en1 = 1767
| bw2 = 4.1
| btype2 = DM11 FMJBT
| vel2 = 936
| en2 = 1796
| bw3 = 4.1
| btype3 = GP 90 FMJBT
| vel3 = 905
| en3 = 1679
| test_barrel_length = {{convert|508|mm|in|abbr=on}}
<!-- Ballistics data source -->
| balsrc = [[NATO EPVAT testing]], [[QuickLOAD]], [[SAAMI]], [[C.I.P.]]<ref>{{cite web|url=http://www.cip-bp.org/index.php?id=tdcc-telechargement |title=C.I.P. decisions, texts and tables – free current C.I.P. CD-ROM version download (ZIP and RAR format)|accessdate=2008-10-17| archiveurl= http://web.archive.org/web/20080929160149/http://www.cip-bp.org/index.php?id=tdcc-telechargement| archivedate= 29 September 2008 <!--DASHBot-->| deadurl= no}}</ref><ref>US Mil-spec MIL-C-9963F</ref>
}}
[[Fitxer:Cartridges comparison.jpg|thumb|Comparació de [[7,62 x 51 mm OTAN]], '''5,56 x 45 mm OTAN''' i [[9 x 19 mm Parabellum]].]]
 
Linha 22 ⟶ 70:
|-
| 5,56 mm OTAN
| M855<ref>[http://www.inetres.com/gp/military/infantry/rifle/556mm_ammo.html 5.56 &nbsp;mm (5.56 × 45 mm) Ammunition]. Inetres.com (2005-05-03). Retrieved on 2011-01-08.</ref>
| 5,56×45 &nbsp;mm
| 12,31 &nbsp;g (190 &nbsp;gr)
| 4,02 &nbsp;g (62 &nbsp;gr)
| 945,5 &nbsp;m/s (3.100 &nbsp;peus/s)
| 1.797 &nbsp;J<ref>KE = 1/2mv<sup>2</sup>, massa (m) en kg i velocitat (v) en m/s</ref>
|-
| 7,62 mm OTAN
| M80<ref name="inetres.com">[http://www.inetres.com/gp/military/infantry/rifle/762mm_ammo.html 7.62 &nbsp;mm (7.62 × 51 mm) Ammunition]. Inetres.com. Retrieved on 2011-01-08.</ref>
| 7,62×51 &nbsp;mm
| 25,40 &nbsp;g (392 &nbsp;gr)
| 9,33 &nbsp;g (147 &nbsp;gr)
| 838,0 &nbsp;m/s (2.749 &nbsp;peus/s)<ref name="inetres.com"/>
| 3.275 &nbsp;J
|}
 
Obtingut de «https://ca.wikipedia.org/wiki/5,56_×_45_mm_OTAN»