The heavy stubber is inferior to the [[Heavy Bolter]] in terms of penetration, being defeated by anything better than [[Flak armour]], but compensates with sheer rate of fire, making it an ideal weapon for use against hordes of lightly-armoured infantry and vehicles.{{Fn|4}} The heavy stubber is also cheap and easy to mass produce and can be built on many low-tech worlds which might not otherwise be able to construct [[laser weapon]]s.{{Fn|3}}{{Fn|4}}{{Fn|5}} Even the ammunition fired by the weapon is cheap and plentiful available.{{Fn|23}} The weight and recoil of many patterns of heavy stubbers require that they be fired from the prone position with a bipod or tripod, or require a [[pintle weapon|pintle mount]] on an armoured vehicle.{{Fn|3}}{{Fn|4}} Others are more man-portable, and even heavier patterns can be wielded by a single trooper through the use of bracing harnesses or suspensors[[suspensor]]s.{{Fn|5}}{{Fn|6}} Though the calibre of a heavy stubber can go up to 25mm,{{Fn|22}} it is less powerful than an [[autocannon]].{{Fn|23}}

Within the [[Imperial Guard]] the heavy stubber remains its most common anti-personnel weapon. It is often used as a crew-served support weapon or mounted on vehicles in cases where the more potent but rarer and significantly shorter-ranged [[Storm Bolter]] is unavailable.{{Fn|4}} [[Siege Regiment]]s in particular, typically suffering heavy casualties and having to use local materials to replace any equipment losses, make prodigious use of heavy stubbers on account of their ease of manufacture and maintenance.{{Fn|7}} Because of its pervasiveness the heavy stubber has also found its way into the hands of [[Imperial]] citizens, and is popular with both militias and outlaws.{{Fn|4}}{{Fn|5}} [[Adeptus Astartes]] [[Power Armour#Space Marine Power Armour|armour]] is practically immune to heavy stubber fire, although a lucky bullet can penetrate the less-protected areas. such as the neck or other joints. and cause serious injury.{{Fn|8}} ==Known Patterns and Variants=====Bulldog Heavy Stubber===The '''Bulldog Heavy Stubber''' is used by the [[Adeptus Arbites]], who value a weapon which is reliable, tactical flexible and menacing in its appearance. These are all qualities the Bulldog possesses, whether it is carried in a gyro-mount or mounted on an [[Rhino#Adeptus Arbites Rhinos|Arbites Rhino]]. In service since the [[Angevin Crusade]] and looked upon with great affection by those who use it, this heavy stubber can easily switch between both magazine and belt feed and accept a variety of exotic ammunitions.{{Fn|24}} ===Cognis Heavy Stubber===This is simply a heavy stubber which has been upgraded to become a [[cognis weapon]]. ===Diabolus and Questoris Heavy Stubbers===[[Chaos Knight]]s and [[Imperial Knight]]s commonly employ diabolus and questoris heavy stubbers, respectively; aside from being modified to be mounted on a Knight chassis, the two types don't seem to have identical performance on some targets, which ''may'' be due to being chambered with distinct types of ammunition.  ===Echon Pattern Mark III Assault Stubber===[[File:AssaultStubber.jpg|thumb|right|220px|Echon Pattern Mark III Assault Stubber{{Fn|9}}]]A more specialized and advanced variant of the standard Heavy Stubber, this weapon has two barrels that spew out stub ammunition to lay down a dense barrage of shells. It is often used by special forces in quelling uprisings. The gun is designed to be used with a backpack ammo pack massing 25&nbsp;kg and carrying 200 rounds of ammunition.{{Fn|9}}{{clear}} ===Heavy Stubber==='''Krourk Mk IIa''': Developed in the weapon forges of [[Branx Minor]], this '''Heavy Stubber''' has seen a lot of use by various [[Moebian Regiments]]. Most notably when the Moebian 54th gunnery platoon held off a massive xenos advance employing over 300 of these guns.{{Fn|26a}}<br> '''Achlys Mk II''': The Complicated accelerator mechanism that surrounds the barrel of this weapon helps propel the massive ammunition to incredible speeds. This, predictably, results in a bigger bang and more destruction. Understandbly, this pleases the [[Ogryn]]s.{{Fn|26b}} '''Gorgonum Mk IIIa''': This Variation on the more common [[Branx Pattern]] sacrifices the weight of fire provided by the twin-linked variant in favour of some serious stopping power. Heavy slugs, each weighing as much as a man's fist, make a terrible mess of almost anything they encounter.{{Fn|26c}} <Gallery>Krourk Mk IIa.JPG|'''Krourk Mk IIa''' Heavy Stubber.{{Fn|26a}} Achlys Mk II.JPG|'''Achlys Mk II''' Heavy Stubber.{{Fn|26b}}Gorgonum Mk IIIa.JPG|'''Gorgonum Mk IIIa''' Heavy Stubber.{{Fn|26c}}</Gallery> ===Ironhail Heavy Stubber===[[File:IronhailStubbers.jpg|thumb|right|220px|Ironhail Heavy Stubbers{{Fn|1}}]]Used by [[Primaris Space Marine]]s, notably [[Impulsor]] and [[Repulsor]] vehicles.{{Fn|11}} Available in both standard and "Icarus" variations; while what exactly differs about the latter is unclear, it appears to be particularly effective against enemy flyers.{{clear}} ===Ironhead Heavy Stubber===[[File:DrillMaster.jpg|thumb|right|160px|[[Drill Master]] with Ironhead Heavy Stubber{{Fn|19}}]]Used by the [[Squat]] [[Ironhead Prospector]]s of [[Necromunda (Planet)|Necromunda]]. Twin-barrelled and drum-fed.{{Fn|19}}{{clear}} ===Iron Rain===[[File:Iron Rain.PNG|thumb|right|150px|Iron Rain Heavy Stubber{{Fn|20}}]]The '''Iron Rain''' is a highly modifiable heavy stubber pattern, popular amongst the [[ganger]]s and [[mercenary|hired gun]]s of [[Necromunda (Planet)|Necromunda]]. In comparison to its contemporary, the 'Tempest', its rounds tend to cause greater injuries to the victim, though it lacks the Tempest's rate of fire, magazine capacity and penetration potential. Associated with the gangers of [[House Orlock]].{{Fn|20}}{{clear}} ===Orthlack-pattern===The '''Orthlack-pattern''' is issued to the armouries of [[PDF]] forces all over the [[Calixis Sector]]. Also widely exported, this pattern features an ammunition belt for longer firing periods.{{Fn|23}} ===Tempest===[[File:Tempest_Heavy_Stubber.PNG|thumb|right|150px|Tempest Heavy Stubber{{Fn|20}}]]The '''Tempest''' is a highly modifiable heavy stubber pattern, popular amongst the gangers and hired guns of Necromunda. In comparison to its contemporary, the 'Iron Rain', the Tempest possesses a higher rate of fire, magazine capacity and penetration though its individual shots tend to be less lethal. Associated with the gangers of [[House Escher]].{{Fn|20}}{{clear}} ===Twin Linked Heavy Stubber==='''Achlys Mk VII''': Heavy Stubbers are crude weapons, hearkening to an earlier age. '''Twin-link heavy stubbers''' are cumbersome to boot, requiring either a weapon carriage or an [[Ogryn]] to carry into Battle.{{Fn|25a}}<br> '''Krourk Mk V''': Nothing gets an [[Ogryn]]'s blood up quite like a deafening noise and high-power recoil of a full-auto heavy weapon, and they don't come much louder or more powerful than a '''Twin-linked Heavy Stubber'''.{{Fn|25b}} '''Gorgonum Mk IV''': The [[Tech-Adept]]s of Gorgonum see rapid-fire weaponry as something of a specialty, although making a '''Heavy Stubber''' durable enough for Ogryn use was something of a challenge.{{Fn|25c}}<Gallery>Achlys Mk VII.JPG| Achlys Mk VII '''Twin-Linked Heavy Stubber'''.{{Fn|25a}}Krourk Mk V.JPG| Krourk Mk V '''Twin-Linked Heavy Stubber'''.{{Fn|25b}}Gorgonum Mk IV.JPG|Gorgonum Mk IV '''Twin-Linked Heavy Stubber'''.{{Fn|25c}}</Gallery>

[[ImageFile:HeavyStubber2.jpg|thumb|right|300px|Vraksian Heavy Stubber]]

===Echon Pattern Mark III Assault Stubber'Ursid-pattern'===A local copy of the Ortlack-pattern, the ''''Ursid-pattern'''' is said to originate from the [[Image:AssaultStubber.jpgWar World|thumb|right|220px|Echon Pattern Mark III Assault Stubber{{Fn|9}}war world]]A more specialized and advanced variant of the standard Heavy Stubber, this weapon has two barrels that spew out stub ammunition to lay down a dense barrage of shells[[Zayth]]. It is often used by special forces features a smaller ammunition drum in quelling uprisings. The gun is designed comparison to be used with a backpack ammo pack weighing 25 kg its parent model, allowing for easier set-up and carrying 200 rounds of ammunitionreloading actions.{{Fn|923}}<br clear=all>

===Ironhail Volg VI “Crank Cannon” Heavy Stubber===The '''Volg VI “Crank Cannon” Heavy Stubber''' is cheaply manufactured with prefabricated parts and uses standard heavy stubbed ammo. The Crane Cannon is successful despite its drawbacks and is produced in huge numbers on [[Image:IronhailStubbers.jpg|thumb|right|220px|Ironhail Heavy Stubbers{{Fn|1}}Fenksworld]]Used by . It finds usage in low-grade [[Primaris Space MarinePlanetary Defence Force|PDF forces]]s, notably and the private arms market across the [[ImpulsorCalixis Sector]] vehicles. The Crank Cannon is fired by cranking the firing handle to force the ammo belt through the breach and to turn the quadruple barrels.{{Fn|1121}}<br clear=all>

==GalleryImages==<gallery heights="120px" widths="190px" mode="packednolines" caption=""> EscherStubber.jpg|[[House Escher]] Heavy Stubber 'Underhive Thunder'{{Fn|16}}OrlockHeavyStubber.jpg|[[House Orlock]] Heavy Stubber{{Fn|17}}GoliathHeavyStubber.jpg|[[House Goliath]] Heavy Stubber{{Fn|18}}CentaurArt.jpg|[[Death Korps of Krieg]] [[Centaur Carrier]] with pintle-mounted Heavy Stubber{{Fn|14}}

*{{Endn|7}}: [[Epic : Swordwind]], pg. 32*{{Endn|8}}: [[Hunt for Voldorius (Novel)]] by [[Andy Hoare]], {{Cite thisMarker End}} pg. 221

*{{Endn|10}}: [[Codex: Skitarii (7th Edition)]], pg.15 *{{Endn|11}}: [[Codex: Space Marines (8th Edition, 2nd Codex)]] , pgs. 87-88*{{Endn|12}}: [https://web.archive.org/web/20210311022700/https://www.games-workshop.com/en-WW/neophite-hybrids-2016 Games Workshop Neophyte Hybrids (Archived archived 3/10/2021)] ''(last accessed 3/10/2021)''

*{{Endn|15}}: [https://www.games-workshop.com/en-NZ/Blackstone-Fortress-Cultists-of-The-Abyss-2019 Games Workshop Cultists of the Abyss] ''(last accessed 3/10/2021)''