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M7 SMG: Difference between revisions
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|width={{Convert|6.6|cm|in}}<ref name="universe">[https://www.halowaypoint.com/en-us/universe/weapons/submachine-gun '''Halo Waypoint''': ''SMG'']</ref> | |width={{Convert|6.6|cm|in}}<ref name="universe">[https://www.halowaypoint.com/en-us/universe/weapons/submachine-gun '''Halo Waypoint''': ''SMG'']</ref> | ||
|height={{Convert|20.6|cm|in}}<ref name="universe"/> | |height={{Convert|20.6|cm|in}}<ref name="universe"/> | ||
|ammotype= | |ammotype=5×23mm [[M443 Caseless Full Metal Jacket|M443 Caseless FMJ]]<ref name="vis"/><ref name="H3"/> | ||
|feed=60 round magazine<ref name="H3"/><ref name="enc320">'''[[Halo Encyclopedia]]''', ''page 320'' (2011 edition)</ref> | |feed=60 round magazine<ref name="H3"/><ref name="enc320">'''[[Halo Encyclopedia]]''', ''page 320'' (2011 edition)</ref> | ||
|operation=Gas-operated, rotating breech | |operation=Gas-operated, rotating breech | ||
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===Ammunition=== | ===Ammunition=== | ||
{{Main|M443 Caseless Full Metal Jacket}} | {{Main|M443 Caseless Full Metal Jacket}} | ||
Unlike most UNSC weapons, the M7 uses [[Wikipedia:Caseless ammunition|caseless]] | Unlike most UNSC weapons, the M7 uses [[Wikipedia:Caseless ammunition|caseless]] 5×23mm ammunition, meaning it does not have a metallic casing surrounding the powder and sealing the bullet, propellant, and primer together. Instead of using this casing, the round uses a combustible adhesive to seal these components together. Because the adhesive and propellant are both vaporized when fired, there is no need to eject spent casings. Though not featured in-game, contemporary caseless ammunition is highly susceptible to cook-off, the accidental firing of rounds due to built-up heat in the receiver. | ||
This feature is very beneficial. In addition to increasing fire rate by removing the extraction and ejection phases of the weapon's cycle, it reduces friction inside the magazine, one of the main causes of malfunctions in weapons. This is also conducive to dual-wielding, since the user need not concern themselves with hot brass expelled from the weapon held in the left hand. The projectile itself is jacketed in metal, usually a copper alloy in standard military ammunition, to aid in penetration of the target. Caseless rounds are actually embedded into the block of propellant, reducing their length, allowing more ammunition to be stored in a smaller space. | This feature is very beneficial. In addition to increasing fire rate by removing the extraction and ejection phases of the weapon's cycle, it reduces friction inside the magazine, one of the main causes of malfunctions in weapons. This is also conducive to dual-wielding, since the user need not concern themselves with hot brass expelled from the weapon held in the left hand. The projectile itself is jacketed in metal, usually a copper alloy in standard military ammunition, to aid in penetration of the target. Caseless rounds are actually embedded into the block of propellant, reducing their length, allowing more ammunition to be stored in a smaller space. | ||
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*In ''Halo 2'', when the player wields a single M7, the SMG's stock is extended. When the M7 is dual-wielded, the stock is collapsed. In ''Halo 3'', the stock remains locked halfway in both the first-person and third-person animations, regardless of whether the weapon is being dual-wielded. | *In ''Halo 2'', when the player wields a single M7, the SMG's stock is extended. When the M7 is dual-wielded, the stock is collapsed. In ''Halo 3'', the stock remains locked halfway in both the first-person and third-person animations, regardless of whether the weapon is being dual-wielded. | ||
*The M7 SMG is depicted as ejecting shell casings in "Monsters" cutscene from ''Halo Wars'' and in the ''Halo Legends'' short ''The Babysitter''. The cutscene shows ejected casings in [http://youtu.be/1vhIIeSo-_U?t=49s only one instance], while in other shots the weapon's operation is correctly depicted; however, the short features a [http://youtu.be/2kPvBqSlIEc?t=14m13s lingering shot] on [[Taylor Miles|Dutch]]'s spent brass. This is an artistic error as the M7 does not have an ejection port to remove spent casings, compounded by the weapon's very name describing it as caseless. When this discrepancy was brought up on the ''halo.bungie.org'' forums, [[Frank O'Connor]] replied that there is a cased variant of the weapon.<ref>[http://forums.bungie.org/halo/archive32.pl?read=949702 '''halo.bungie.org''', ''Re: After my 4th viewing of The Babysitter...'']</ref> | *The M7 SMG is depicted as ejecting shell casings in "Monsters" cutscene from ''Halo Wars'' and in the ''Halo Legends'' short ''The Babysitter''. The cutscene shows ejected casings in [http://youtu.be/1vhIIeSo-_U?t=49s only one instance], while in other shots the weapon's operation is correctly depicted; however, the short features a [http://youtu.be/2kPvBqSlIEc?t=14m13s lingering shot] on [[Taylor Miles|Dutch]]'s spent brass. This is an artistic error as the M7 does not have an ejection port to remove spent casings, compounded by the weapon's very name describing it as caseless. When this discrepancy was brought up on the ''halo.bungie.org'' forums, [[Frank O'Connor]] replied that there is a cased variant of the weapon.<ref>[http://forums.bungie.org/halo/archive32.pl?read=949702 '''halo.bungie.org''', ''Re: After my 4th viewing of The Babysitter...'']</ref> | ||
*The circular ramp the M7 uses to feed rounds into the chamber is similar to the mechanism utilized in the real-world [[Wikipedia:FN P90|FN P90 submachine gun]]. However, the P90 uses a top-loaded magazine that feeds cased 5. | *The circular ramp the M7 uses to feed rounds into the chamber is similar to the mechanism utilized in the real-world [[Wikipedia:FN P90|FN P90 submachine gun]]. However, the P90 uses a top-loaded magazine that feeds cased 5.7×28mm rounds horizontally. | ||
*The fictional 'PDW-57' submachine gun featured in Call of Duty: Black Ops 2 resembles the M7 SMG especially its unique bullpup design. | *The fictional 'PDW-57' submachine gun featured in Call of Duty: Black Ops 2 resembles the M7 SMG especially its unique bullpup design. | ||