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M634 Experimental High-Powered Semi-Armor-Piercing: Difference between revisions

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==Properties==
==Properties==
As designated in its name, the M634 X-HP-SAP is an experimental round. It uses a special propellant that allows it to achieve a higher muzzle velocity than the M118 7.62×51mm round while using a smaller cartridge. It is also semi-armor-piercing, meaning that it mixes the properties of an [[armor piercing round]] with the properties of another type of round. The second type is unknown, though it is most likely similar to the [[M225 SAP-HE]] used in the [[M6 Series]].
As designated in its name, the M634 X-HP-SAP is an experimental round. It uses a special propellant that allows it to achieve a higher muzzle velocity than the M118 7.62×51mm round while using a smaller cartridge. It is also semi-armor-piercing, meaning that it mixes the properties of an [[armor piercing round]] with the properties of another type of round. The second type is unknown, though it is most likely similar to the [[M225 SAP-HE]] used in the [[M6 Series]].
Unlike most ammunition types in the Halo games, this is not a real-life ammo type, the closest comparison being the [[wikipedia:9×39mm|9×39mm]] special purpose round, also known as the “Kurz.” Designed in the Soviet Union, this round was designed to defeat lighter body armours, while being subsonic to maximize stealth potential; it appears most real-life weapons firing the bullet have ''integrated'' silencers. However, the M634 does not appear to be subsonic, as it produces a super-sonic “crack” or “whip” when fired, and is instead intended for high-velocity and long-range marksmanship.


==Gallery==
==Gallery==

Latest revision as of 07:11, December 21, 2023

An M634 9.5×40mm KURZ from The Art of Halo 3.

M634 Experimental High-Powered Semi-Armor-Piercing, abbreviated as M634 X-HP-SAP or M634 9.5×40mm HP-SAP, and also known as the 9.5×40mm KURZ,[1][Note 1] is a 9.5×40mm rifle cartridge made specifically for the BR55, the BR75,[2] and the BR85 series.[3]

Overview[edit]

The M634 X-HP-SAP was developed in conjunction with the prototype XBR55 Battle Rifle. As an experimental round, its use is only limited to the BR55 Battle Rifle, the BR55 Heavy Barrel Service Rifle, the BR75 Battle Rifle, and the BR85 Heavy Barrel Service Rifle. While the round was designated as experimental around 2525, at some point between then and 2558, the "experimental" designation was dropped, becoming the M634 9.5×40mm HP-SAP.[3]

Properties[edit]

As designated in its name, the M634 X-HP-SAP is an experimental round. It uses a special propellant that allows it to achieve a higher muzzle velocity than the M118 7.62×51mm round while using a smaller cartridge. It is also semi-armor-piercing, meaning that it mixes the properties of an armor piercing round with the properties of another type of round. The second type is unknown, though it is most likely similar to the M225 SAP-HE used in the M6 Series.

Gallery[edit]

List of appearances[edit]

Notes[edit]

  1. ^ Kurz is a German word for "short".

Sources[edit]

  1. ^ The Art of Halo 3, page 57
  2. ^ Halo Encyclopedia (2022 edition), page 168
  3. ^ a b Halo Waypoint: Battle Rifle

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