Canon

ARC-920 railgun

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ARC-920 railgun
H5G-Linda&ARC920.png
A render of the ARC-920 railgun.
Production overview

Manufacturer:

Acheron Security[1][2][3][4][5]

Type:

Railgun carbine

Cost:

63,405 cR[6]

Specifications

Length:

43.6 inches (111 cm)[1][4][6][5]

Width:

2.9 inches (7.4 cm)[1][4][6]

Height:

12.5 inches (32 cm)[1][4][6]

Weight:

14.9 kilograms (33 lb)[6]

Ammunition type:

16×65 mm M645 FTP-HE[4][6][5]

Capacity:

1 slug[4][3][5]

Operation:

Electromagnetic linear accelerator

Rate of fire:

Single-shot

Service history

In service:

Post-Covenant War conflicts

 

The Asymmetric Recoilless Carbine-920 (ARC-920), also known simply as the railgun, is a compact-channel linear accelerator weapon used by the United Nations Space Command. It is designed and manufactured by Acheron Security.[2] The ARC-920 is one of the various limited-production electromagnetic launchers in service with the UNSC, and is widely considered the best among them.[7][4]

Overview[edit]

Design details[edit]

While several lines of handheld infantry-portable railgun weapon systems have been in full production for decades,[4] the ARC-920 railgun is a result of scientific breakthroughs following the Human-Covenant War that allowed for portable, hand-held, electromagnetic launcher systems to be used in combat. The ARC-920's disposable power cell and ferric-shelled M645 FTP-HE projectile has dramatically decreased the weapon's total mass. Despite the ARC-920's lighter weight over previous models, it is still too heavy and cumbersome for general use by non-augmented personnel.[7] Overall, it is widely considered to be the best entry into the handheld railgun market.[4]

The ARC-920 uses a pair of parallel conducting rails to accelerate its projectiles. A large electric current flows from one rail into the projectile and then to the other rail; the electromagnetic effects of this interaction accelerate the projectile to an immense speed. The rifle requires a brief charging period before firing high-explosive rounds accelerated to an incredible speed.[8] The explosive yield contained in the round adds to the kinetic force of the impact, making the weapon effective against both infantry and armor.[2][4] If the charge is held too long, the weapon will fire automatically[9] - an issue alleviated in later production models and variants in the ARC-920 line.[10]

The weapon lacks a scope or any form of optical magnification.[8][5]

Variants[edit]

  • Whiplash: The Whiplash is an improved variant which features a faster charge cycle, two rounds per magazine, and projectiles fitted with a proximity airburst fuse.[11]
  • Arclight: The Arclight is an advanced variant that fires armor-piercing high-explosive rounds capable of piercing through multiple targets at once. While it takes longer to charge the weapon, the charge can be held indefinitely.[10]
  • Extractor: This Railgun has a unique interior green glow, the function of it is unknown, the only difference is that the rounds aren't explosive but has a higher rate of fire.[12]
  • Whiplash.
    Whiplash.
  • Arclight.
    Arclight.
  • Extractor
    Extractor

Gameplay[edit]

This weapon operates very similarly to the Spartan Laser. Compared to the Spartan Laser, the ARC-920's charging time is half the d