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| {{Status|Canon}} | | {{Ratings}} |
| {{Weapon infobox | | {{Era|HGN|CH}} |
| | image=[[File:Stanchion.jpg]] | | {{Weapon |
| | | image=[[Image:Stanchion.jpg]] |
| | name=M99 Special Application Scoped Rifle | | | name=M99 Special Application Scoped Rifle |
| | manufacturer=[[HRN]]{{Ref/Twitter|Id=TweetHRN|Halo|1760798621631455323|Halo|Quote="Manufacturer: HRN" (From the video within the tweet.)|D=25|M=02|Y=2024}} | | | manufacturer= |
| | model= | | | model= |
| | type= Magnetic anti-matériel [[rifle]] | | | type= Sniper Rifle |
| | cost= | | | cost= |
| | length= (o/a): {{Convert|67|in|cm}}{{Ref/Reuse|Enc11}} | | | size=*Length (o/a): 1710mm |
| | weight= {{Convert|20.0|kg|lb}}{{Ref/Reuse|Enc11}}
| | *Weight (unloaded): 20.0kg |
| | damage per hit= | | | damage per hit=Extremely High |
| | feed=10 rounds{{Ref/Reuse|Enc11}} | | | magazine=10 rounds |
| | ammotype=5.4mm/.21 caliber{{Ref/Reuse|Enc11}} | | | maxammo= |
| | operation=Semi-automatic | | | fire= |
| | velocity=15,000 meters/second (9.3 miles/second){{Ref/Reuse|Enc11}} | | | ammotype=5.4mm (.21 Caliber) |
| | rate= | | | operation=Semi-Automatic |
| | range= {{Convert|7.5|km|mi}}{{Ref/Reuse|Enc11}} | | | muzzle velocity=15,000meters/second (15kilometers/second, 9.3 miles/second) |
| | service=[[Insurrection]] | | | rate of fire= |
| <br>[[Human-Covenant War]]
| | | accuracy=Very High |
| <br>[[Post-Covenant War conflicts]]
| | | range=4.5km (max killing range) |
| <br>[[Created conflict]]
| | | era= |
| | | counterpart= |
| | | counterwep= |
| | affiliation=[[UNSC Marine Corps]] | | | affiliation=[[UNSC Marine Corps]] |
| }} | | }} |
| The '''M99 Special Application Scoped Rifle''', also referred to as the '''M99 Stanchion Gauss rifle''' or simply the '''Stanchion''', is a [[United Nations Space Command]] anti-matériel rifle.{{Ref/Book|Id=Enc11|Enc11|Page=324}}<ref name="HGN122" >'''Halo Graphic Novel''', ''Page 122''</ref><ref name="CH">'''Halo: Contact Harvest''', ''page 16''</ref> | | The '''M99 Special Application Scoped Rifle''', referred to as the '''M99 Stantion Gauss Rifle''', or just the '''Stanchion''', is a [[United Nations Space Command]] infantry firearm<ref>''[[Halo Graphic Novel Pg122]]''</ref><ref>[[Halo: Contact Harvest]]</ref> used as a long range anti-materiel and anti-personnel weapon. |
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| ==Design and development== | | ==History== |
| ===Design details===
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| The M99 works on the same operational principles as other magnetic weapons such as [[mass driver]]s and [[Magnetic Accelerator Cannon]]s, albeit on a much smaller scale. This system works through using a series of electromagnetic coils (an asynchronous linear induction motor) rather than chemical propellants as a source of kinetic energy. The M99's weight and bulk limit the weapon's use to highly specialized long-range precision sniping roles.<ref>[https://www.halowaypoint.com/en-us/universe/weapons/railgun '''Halo Waypoint''': ''Railgun'']</ref>{{Verify source}} It is typically used in extreme-range sniping and anti-materiel roles, but the recoilless nature of the weapon makes it ideal for fighting in microgravity as it does not send the wielder into an uncontrollable spin, such as during boarding actions and [[Extra-vehicular activity|EVA]].{{Ref/Reuse|HSS2}}
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| The M99 can be used with a [[portable computer]] to provide the ballistic calculations necessary to engage long range targets. The rifle can also be integrated with other systems, such as [[ARGUS drone]]s for trajectory and ballistic data. The M99 also uses the [[ATLAS+]] system developed by [[Ohana Prescient Systems]].{{Ref/Reuse|HGN122}} | | The Model 99 Special Application Scoped Rifle first entered production in 2491 <ref> Halo: Graphic Novel page 122</ref>, and ceased production in 2521.<ref>Halo: Graphic Novel page 122</ref> It appears to have been a popular rifle, as per its production length, and it was used mainly for anti-material operations. However, the .21 caliber round at a velocity of 15,000 meters per second was very effective against "soft" targets such as humans. <ref> Halo: Contact Harvest Prologue</ref> |
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| | ==Operational Use== |
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| ===Ammunition===
| | The M99 Stanchion was used by then-[[Corporal]] [[Avery Johnson|Avery J. Johnson]] during ][[Operation: KALEIDOSCOPE]], using the weapon to assassinate [[Jerald Mulkey Ander]], a member of the [[Secessionist Union]] from a significant distance. He used another M99 Stanchion during [[Operation: TREBUCHET]] to kill an Insurrectionist terrorist driving a truck rigged as an explosive, and attempted to use it to neutralise a second terrorist inside a nearby diner, the [[Jim Dandy]]. His first target was successfully killed, blown into fragments from the force. The second killed herself, three [[UNSC Marines]] and thirty two civilians in the diner.<ref>[[Halo: Contact Harvest]]</ref> |
| The 5.4mm/.21 caliber round is very small in comparison to most standard firearms of the era, but using the Gauss technology, the small rounds have the ability to rip targets apart, even through office buildings.{{Ref/Reuse|CHP}} This is due to the high force imparted on the round via the Gauss acceleration method. The round creates shockwaves as it passes through the target and ripping through anything not as strong as a foot (30 cm) of titanium. {{Ref/Reuse|Enc11}} In the case of material targets, this is a minor explosion and the creation of structural fractures. In the case of personnel targets, it simultaneously rips apart and pulverizes the body around the impact area. Even hits in an extremity or near-misses can be deadly. | |
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| The rounds have been known to have the ability to travel great distances without affecting the trajectory, delivering enough force to punch through [[instacrete]] pylons, blow a [[human]] apart, and continue on course through an abandoned parking lot.
| | ==Ammunition/Technology== |
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| ===Development and service history===
| | Similar in its technological concept to the much larger [[Mass driver]]s and [[Magnetic Accelerator Cannon]]s, the Stanchion propells a small but highly dense .21 caliber/5.4mm tungsten round using a series of electromagnetic coils rather than chemical propellants as a source of kinetic energy, and is therefore most similar to the [[M68 Gauss Cannon]] vehicle-mounted weapon. These rounds are capable of travelling over great distances without reduced accuracy, delivering enough kinetic force to punch through several Instacrete pylons, blow an Insurrectionist apart, and continue on its course into an abandoned parking lot without any noticable effect on its accuracy or speed. The weapon is used in conjunction with a portable computer which provides the ballistic calculations necessary for engaging long range targets. The M99 Stanchion can also be integrated with other battle-field systems, most notably the [[ARGUS Drone]] for trajectory and ballistic data. The high-velocity achieved using electromagnetic coils, coupled with a computerized targeting system, allows the M99 Special Application Scoped Rifle to have an effective range of 4.5km. |
| Developed by [[HRN]],{{Ref/Reuse|TweetHRN}} the M99 Special Application Scoped Rifle entered production in [[2491]], with production ceasing in [[2521]].{{Ref/Reuse|HGN122}} Though it was used mainly for anti-matériel operations, the .21 caliber round (with a muzzle velocity of 15,000 meters per second) proved very effective against "soft" targets such as personnel.<ref name="CHP">'''Halo: Contact Harvest''', ''Prologue''</ref>
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| In [[2502|March 2502]], then-[[Corporal]] [[Avery Johnson]] used an M99 Stanchion to [[Operation: KALEIDOSCOPE|assassinate]] [[Jerald Ander]], the leader of the [[Secessionist Union]] cell on [[Harvest]]. Johnson took the shot as the terrorist leader was driven by in an open-topped truck; Ander's head and upper torso were severed by the impact.{{Ref/Reuse|HGN122}} In [[2524]] during [[Operation: TREBUCHET]], Johnson used a Stanchion mounted on a shock-absorbing armature while flying in an [[AV-14 Hornet]], to kill an [[Insurrectionist]] terrorist driving a bomb-rigged truck; his first target was torn apart by the impact force. However, Johnson's second target detonated a bomb inside a [[Jim Dandy]] restaurant, killing herself, three [[UNSC Special Forces#Naval Special Warfare|Special Warfare]] Marines, and 38 civilians.{{Ref/Reuse|CH}}<ref>'''Halo: Contact Harvest''', ''page 86''</ref> Early on during the [[Human-Covenant War]] in March [[2526]] [[Blue Team]], [[Gold Team]], and [[Green Team]] utilized M99 Stanchions during [[Skirmish over Netherop|an attempt]] to capture the [[Covenant frigate]] ''[[Radiant Arrow]]''.<ref name="HSS2">'''[[Halo: Silent Storm]]''', ''Chapter 2''</ref>
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| Shortly after the [[Subjugation of Earth]], [[Spartan-IV]] [[Kojo Agu]] used an M99 Stanchion given to him by the [[United Rebel Front]] while on [[Cassidy III]] to destroy the [[data pad]] that the [[Created]] [[Smart AI]] [[Leonidas]] was stored in. Production of the rifle had since ceased and Agu considered the weapon to be "old-school." <ref name="HBB">'''[[Halo: Bad Blood]]'''</ref> As late as April [[2559]], [[snipers]] assigned to the {{UNSCShip|Spirit of Fire}} used the [[M99A2S3 Stanchion]],<ref>'''[[Halo Wars 2]]'''</ref> a variant of the weapon constructed on the ''Spirit of Fire'' using a design template created by the [[Smart AI]] [[Isabel]] and given the code "ISABEL-2558-01-00023."<ref>[https://twitter.com/JeremyCook3D/status/950541458829844480 '''Twitter''' ''- Jeremy Cook M99A2S3 breakdown'']</ref> During a mission on [[Arcadia]] in [[2560]], [[August-099]] of [[Omega Team]] was equipped with an M99A2S3 Stanchion.{{Ref/Novel|Id=Hippo|Halo: Hippocratica}}
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| ==Variants==
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| *'''[[M99A2S3 Stanchion]]''': The M99A2S3 is a variant of the M99 that has an inertia buffer that helps manage recoil.<ref>[https://twitter.com/JeremyCook3D/status/950592593376628741 '''Twitter''' ''- Jeremy Cook on the inertia buffer'']</ref>
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| <gallery>
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| File:M99 Stanchion.png|The M99A2S3 variant.
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| File:HW2 M99A253 Stanchion.jpg|M99A2S3 breakdown.
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| File:HW2Jeremy-cook-hw2-stanchion-orthos-2.jpg|M99A2S3 breakdown.
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| </gallery>
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| ==Gameplay==
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| {{Main|Sniper|Sniper Rifle}}
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| The weapon is used by [[Sniper]] units in ''[[Halo Wars 2]]'', once the Stanchion upgrade is obtained.{{Ref/Game|HW2|unit|Detail=Sniper}}
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| ==Trivia== | | ==Trivia== |
| *The M99 shares its designation with the real-life Barrett Model 99 single shot sniper rifle, a derivative of the Barrett M107A1 anti-materiél rifle. | | *The Stanchion is an anti-material weapon designed for eliminating explosive ordinance and light armored vehicles at a distance, but also functions incredibly well as an anti-personnel weapon. |
| *In some sources the M99 is referred to as "recoilless" but it is not clear whether it is technically a "recoilless" weapon or if this is a mistaken designation. If it is "recoilless" the manner by which it counteracts recoil is not known, as modern day "recoilless rifles" either eject propellant gas or a "countershot" of material with equal mass as the projectile, but no source has ever mentioned either of these recoil countering mechanisms on the M99. If the M99 is "recoilless" it may be that it has some as-of-yet theoretical way to reduce recoil, perhaps involving magnetic fields. | | *In reality, there is a Sniper Rifle designated as the M99. It is in use by the Chinese and fires a 12.7 (.50 Caliber) bullet. <ref> http://www.sinodefence.com/army/small_arms/m99_sniper.asp </ref> |
| | *There is another firearm designated as the M99, as seen here, which also fires a .50 caliber round: [[wikipedia:Barrett_M99|Barrett M99]] |
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| ==Gallery== | | ==Related Articles== |
| <gallery>
| | *[[Halo Graphic Novel Pg122]] |
| File:HGN-P122-LogoStanchion.png|The logo for HRN, the M99 Stanchion's manufacturer.
| | *[[United Nations Space Command]] |
| File:AssassinAvery.png|Avery Johnson using an M99 Stanchion.
| | *[[SRS99C-S2 AM Sniper Rifle]] |
| File:HINF AugustOnArcadia.jpg|August-099 wielding an M99A2S3 Stanchion.
| | *[[Halo: Contact Harvest]] |
| </gallery>
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| ==List of appearances== | | ==External Links== |
| *''[[Halo Graphic Novel]]'' | | *http://en.wikipedia.org/wiki/Stanchion |
| **''[[Halo Graphic Novel, Page 122|Page 122]]'' {{1st}}
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| *''[[Halo: Contact Harvest]]''
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| *''[[Halo Wars 2]]''
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| *''[[Halo: Bad Blood]]''
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| *''[[Halo: Silent Storm]]''
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| *''[[Halo Infinite]]''
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| *''[[Halo: Hippocratica]]''
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| ==Sources== | | ==Sources== |
| {{Ref/Sources}}
| | <references/> |
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| {{UNSC rifles}}
| | [[Category:UNSC]] |
| [[Category:Magnetic acceleration weapons]] | | [[Category:Weapons]] |
| | [[Category:Held Weapons]] |
| | [[Category:Human Weapons]] |
