Editing M443 Caseless Full Metal Jacket
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{{ | {{Era|UNSC|HCW|Post}} | ||
[[File:Ammo_-SMG.png|100px|thumb|A | [[File:Ammo_-SMG.png|100px|thumb|A 5x23mm Caseless FMJ from ''[[The Art of Halo 3]]''.]] | ||
The '''M443 Caseless Full Metal Jacket''' ('''M443 Caseless FMJ''') is a type of | The ''5x23mm'' '''M443 Caseless Full Metal Jacket''' (abbreviated '''M443 Caseless FMJ''') is a type of .197-caliber projectile ammunition used by the [[United Nations Space Command]] in their [[M7 Caseless Submachine Gun]].<ref>'''[[Halo 3]]'''</ref> | ||
== Overview == | == Overview == | ||
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This feature is very beneficial. It reduces friction inside the magazine, one of the main causes of jamming in weapons. It also negates the need to expel brass casings, which also is a major cause of jamming, as mentioned above. | This feature is very beneficial. It reduces friction inside the magazine, one of the main causes of jamming in weapons. It also negates the need to expel brass casings, which also is a major cause of jamming, as mentioned above. | ||
By a stroke of luck, this is important to a user wielding two M7s at once, such as a | By a stroke of luck, this is important to a user wielding two M7s at once, such as a SPARTAN, who would not want to have hot brass flying in his or her face from the eject port of the weapon in his left hand. The projectile itself is "jacketed," or coated, in metal (possibly copper or steel) to aid in penetration of the target. "Caseless" rounds are actually embedded into the block of propellant, reducing their length, allowing more ammo to be stored in a smaller space. | ||
==Trivia== | ==Trivia== | ||
Real caseless weapons suffer from problems with "[[wikipedia:cooking off|cooking off]]", which is when incredible temperatures result in a cartridge firing unintentionally. Since there is nothing insulating the combustible material from the heat (one of the uses of a brass casing), even regular temperatures in the firing could result in the cartridge going off, leading to damage to the weapon, possibly even the user, or even the weapon accidentally firing. The main way to prevent cooking-off in caseless weapons is by [[wikipedia:electronic firing|electronic firing]], but this system requires a battery, which may not be in constant supply in the battlefield. However, it could simply use a High Ignition Temperature Propellant | Real caseless weapons suffer from problems with "[[wikipedia:cooking off|cooking off]]", which is when incredible temperatures result in a cartridge firing unintentionally. Since there is nothing insulating the combustible material from the heat (one of the uses of a brass casing), even regular temperatures in the firing could result in the cartridge going off, leading to damage to the weapon, possibly even the user, or even the weapon accidentally firing. The main way to prevent cooking-off in caseless weapons is by, [[wikipedia:electronic firing|electronic firing]], but this system requires a battery, which may not be in constant supply in the battlefield. However, it could simply use a High Ignition Temperature Propellant similar to the 1980s prototype G11 assault rifle. | ||
==List of appearances== | ==List of appearances== | ||
*''[[Halo 2]]'' | |||
*''[[Halo 3]]'' | |||
*''[[Halo 3: ODST]]'' | |||
*''[[Halo: First Strike]]'' {{1st}} | *''[[Halo: First Strike]]'' {{1st}} | ||
*''[[Halo: Ghosts of Onyx]]'' | *''[[Halo: Ghosts of Onyx]]'' | ||
*''[[Halo: Contact Harvest]]'' | |||
*''[[Halo: Evolutions - Essential Tales of the Halo Universe]]'' | |||
*''[[Halo: Uprising]]'' | *''[[Halo: Uprising]]'' | ||
*''[[Halo Legends]]'' | *''[[Halo Legends]]'' | ||
*''[[Halo: Blood Line]]'' | *''[[Halo: Blood Line]]'' | ||
==Sources== | ==Sources== | ||
<references/> | |||
{{Ammunition}} | {{Ammunition}} | ||
