7.62x51mm: Difference between revisions
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{{Era|Human|UNSC|HCW|Post}} | {{Era|Human|UNSC|HCW|Post}} | ||
[[File:MA5B AR ammo.jpg|thumb|250px|A 7.62×51mm cartridge.]] | [[File:MA5B AR ammo.jpg|thumb|250px|A 7.62×51mm cartridge.]] | ||
The '''7.62×51mm''' cartridge, sometimes shortened to '''7.62mm''',<ref>''[[Halo: Combat Evolved Manual#Human Weapons|Halo: Combat Evolved Manual, Page 17, "MA5B Assault Rifle"<]]''</ref> is a heavy ammunition size in which the rifles and machine guns of the [[United Nations Space Command]] are commonly chambered. | The '''7.62×51mm''' cartridge, sometimes shortened to '''7.62mm''',<ref>''[[Halo: Combat Evolved Manual#Human Weapons|Halo: Combat Evolved Manual, Page 17, "MA5B Assault Rifle"<]]''</ref> is a heavy ammunition size in which the rifles and machine guns of the [[United Nations Space Command]] are commonly chambered.{{Ref/Reuse|ENC316}}{{Ref/Reuse|EVGAR}}{{Ref/Reuse|EVGMG}} A great variation of ammunition types for this cartridge are employed. | ||
== Overview == | == Overview == | ||
This cartridge shares its dimensions with a form of rifle ammunition developed in the 20th century, employed commonly across the nations of the [[North Atlantic Treaty Organization]] under the designation [[Wikipedia:7.62x51mm NATO|7.62 NATO]]. The [[UNSC]] utilize it in an enormous variety of weapons, including: | This cartridge shares its dimensions with a form of rifle ammunition developed in the 20th century, employed commonly across the nations of the [[North Atlantic Treaty Organization]] under the designation [[Wikipedia:7.62x51mm NATO|7.62 NATO]]. The [[UNSC]] utilize it in an enormous variety of weapons, including: | ||
*The [[MA5 series]] assault rifles, including the [[MA37]]. | *The [[MA5 series]] assault rifles, including the [[MA37]].{{Ref/Reuse|EVGAR}} | ||
*The [[M392 DMR|M392]] | *The [[M392 DMR|M392]]{{Ref/Reuse|EVGDMR}} and [[M395 DMR|M395 Designated Marksman Rifle]]s.{{Ref/Reuse|H4VGDMR}} | ||
*The [[M739 SAW|M739 Light Machine Gun]]. | *The [[M739 SAW|M739 Light Machine Gun]].{{Ref/Reuse|H4VGSAW}} | ||
*The [[M247 machine gun|M247 General Purpose Machine Gun]].<ref name="EVGMG">''[[Halo: The Essential Visual Guide]]'', Machine Gun Turret</ref> | *The [[M247 machine gun|M247 General Purpose Machine Gun]].<ref name="EVGMG">''[[Halo: The Essential Visual Guide]]'', Machine Gun Turret</ref> | ||
*The [[AIE-486H Heavy Machine Gun]].<ref name="ENC331">''[[Halo Encyclopedia: The Definitive Guide to the Halo Universe|Halo Encyclopedia: The Definitive Guide to the Halo Universe (2011 edition)]]'', Page 331</ref> | *The [[AIE-486H Heavy Machine Gun]].<ref name="ENC331">''[[Halo Encyclopedia: The Definitive Guide to the Halo Universe|Halo Encyclopedia: The Definitive Guide to the Halo Universe (2011 edition)]]'', Page 331</ref> | ||
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== Variants == | == Variants == | ||
===M118 FMJ-AP=== | ===M118 FMJ-AP=== | ||
M118 FMJ-AP ([[wikipedia:Full metal jacket (ammunition)|full metal jacket]], [[wikipedia:Armor-piercing bullet|armor-piercing]]) rounds are the standard-issue ammo type employed by the [[MA5 series|UNSC's assault rifles]],<ref name="EVGAR">[[Halo: The Essential Visual Guide]], Assault Rifle</ref> the [[M392]]<ref name="EVGDMR">[[Halo: The Essential Visual Guide]], DMR</ref> and [[M395]] DMRs,<ref name="H4VGDMR">[[Halo 4: The Essential Visual Guide]], DMR</ref> the [[M739 Light Machine Gun|M739 LMG]],<ref name="H4VGSAW">[[Halo 4: The Essential Visual Guide]], SAW</ref> and the [[AIE-486H Heavy Machine Gun|AIE-486H HMG]]. | M118 FMJ-AP ([[wikipedia:Full metal jacket (ammunition)|full metal jacket]], [[wikipedia:Armor-piercing bullet|armor-piercing]]) rounds are the standard-issue ammo type employed by the [[MA5 series|UNSC's assault rifles]],<ref name="EVGAR">[[Halo: The Essential Visual Guide]], Assault Rifle</ref> the [[M392]]<ref name="EVGDMR">[[Halo: The Essential Visual Guide]], DMR</ref> and [[M395]] DMRs,<ref name="H4VGDMR">[[Halo 4: The Essential Visual Guide]], DMR</ref> the [[M739 Light Machine Gun|M739 LMG]],<ref name="H4VGSAW">[[Halo 4: The Essential Visual Guide]], SAW</ref> and the [[AIE-486H Heavy Machine Gun|AIE-486H HMG]].{{Ref/Reuse|ENC331}} The projectile's armor-piercing capabilities stem from its specially hardened construction.<ref name= "Flood1">''[[Halo: The Flood]]'', Chapter 1</ref> [[UNSC Marine Corps Battle Dress Uniform|UNSC infantry combat armor]] is capable of preventing lethal penetration at close range from a limited burst at the cost of bruising and significant discomfort,<ref name="TML">''[[Halo: Evolutions]]'', ''[[The Mona Lisa]]'', section ">Lopez 1527 hours"</ref> though infantry and even light vehicles or aircraft such as un-shielded [[Covenant]] [[Banshees]] are susceptible to fatal damage under sustained, accurate fire.<ref name="Flood2">''[[Halo: The Flood]]'', ''Chapter 2''</ref> [[Energy shielding|Energy shields]] drastically reduce the ammunition's stopping power, as a great deal of concentrated fire from multiple weapons - or an extended period of continuous automatic fire from a single weapon - is needed to overwhelm them.<ref name= "Flood1"/> The rounds are, however, capable of taking down unprotected targets quickly and cleanly.<ref name="ENC316">''[[Halo Encyclopedia: The Definitive Guide to the Halo Universe|Halo Encyclopedia: The Definitive Guide to the Halo Universe (2011 edition)]]'', Page 316</ref> | ||
They are distributed to troops in 120-round packs for use with assault rifles,<ref>''[[Halo: Combat Evolved]]'', Gameplay</ref> and feed in this capacity via 32-, | They are distributed to troops in 120-round packs for use with assault rifles,<ref>''[[Halo: Combat Evolved]]'', Gameplay</ref> and feed in this capacity via 32-,{{Ref/Reuse|ENC316}} 36-,<ref name="H5G">''[[Halo 5: Guardians]]'', Gameplay</ref> or 60-round [[wikipedia:Magazine (firearms)#Detachable box magazines|detachable box magazines]].{{Ref/Reuse|ENC316}} | ||
===Shredder=== | ===Shredder=== | ||
Shredder rounds are an alternate 7.62×51mm ammunition type occasionally employed with the [[MA5B assault rifle]].<ref name="TFoRPrologue">''[[Halo: The Fall of Reach]]'', Prologue</ref> The projectiles they fire are designed to splinter on impact,<ref>''[[Halo: The Fall of Reach]]'', Chapter 29</ref> and are highly effective against lightly-armored infantry like [[Covenant]] [[Grunt|grunt soldiers]] | Shredder rounds are an alternate 7.62×51mm ammunition type occasionally employed with the [[MA5B assault rifle]].<ref name="TFoRPrologue">''[[Halo: The Fall of Reach]]'', Prologue</ref> The projectiles they fire are designed to splinter on impact,<ref>''[[Halo: The Fall of Reach]]'', Chapter 29</ref> and are highly effective against lightly-armored infantry like [[Covenant]] [[Grunt|grunt soldiers]]{{Ref/Reuse|TFoRPrologue}} and building materials like marble tiles and wood.<ref name="TFoR22">''[[Halo: The Fall of Reach]]'', Chapter 22</ref> Ammunition of this type was used by the [[SPARTAN-II]]s of [[Blue Team]] to engage a horde of [[Unggoy]] in the [[Battle of Jericho VII]].{{Ref/Reuse|TFoRPrologue}} Another instance of their use by Blue Team was at [[Cote d'Azur]], when engaging a pair of [[Mgalekgolo|hunters]] in a museum. After finding their AP rounds were ineffective against the hunters' armor, [[John-117]] ordered the [[SPARTAN-IIs]] to use shredder rounds to fire at the floor beneath them, causing the hunters to fall to the level below.{{Ref/Reuse|TFoR22}} | ||
===Hollow-point=== | ===Hollow-point=== | ||
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===AP-T=== | ===AP-T=== | ||
7.62mm AP-T ([[wikipedia:Armor-piercing bullet|armor-piercing]], [[wikipedia:Tracer ammunition|tracer]]) ammunition is employed in the [[M231 Medium Machine Gun|M231 MMG]] co-axially mounted on the [[M808B Scorpion]]. | 7.62mm AP-T ([[wikipedia:Armor-piercing bullet|armor-piercing]], [[wikipedia:Tracer ammunition|tracer]]) ammunition is employed in the [[M231 Medium Machine Gun|M231 MMG]] co-axially mounted on the [[M808B Scorpion]].{{Ref/Reuse|BnetVehicles}} | ||
===HEDP=== | ===HEDP=== | ||
