Type-50 particle beam rifle

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Beam Rifle redirects here. For the version introduced in Halo 4, see Type-27 beam rifle. For other uses of the term beam, see here.
Type-50 particle beam rifle
H5G Beam rifle render.png


Production overview


Assembly Forges[1]


Special application sniper rifle



  • Halo 3:
    • Overall: 160.4 centimeters (63.1 in)
    • Barrel: 82.55 centimeters (32.50 in)
  • Halo 2:
    • 132.3 centimeters (52.1 in)[2]


18 kg (39.6 lbs)

Ammunition type:

Ionized accelerated hydrogen particles

Feed system:

100 battery units (10 shots)


Particle acceleration

Muzzle velocity:

3,657 m/s (12,000 ft/s)[3][note 1]

Effective range:

1,500 meters (4900 ft)[3]

Service history

In service:

Human-Covenant War
Great Schism
Post-Covenant War conflicts

"As soon as the first guy goes down with blood and steam whistling out through the neat new hole in their head, you know you’re in for a long, miserable game of ‘where the foxtrot did that come from.'"
— Unknown UNSC serviceman

The Type-50 Sniper Rifle System,[3] otherwise known as the Particle Beam Rifle or simply Beam Rifle, is a Covenant long-range weapon and the counterpart of the UNSC SRS99 series sniper rifles. It is also the successor to the earlier Type-27 Special Application Sniper Rifle.

Design details[edit]

A Particle Beam Rifle.

The Type-50 SRS is a battery-powered directed energy weapon that fires hydrogen gas in a beam of accelerated particles at its targets. The weapon is extremely well suited for its role: it produces negligible sounds and muzzle signature while firing and has very high accuracy and range. The Type-50 SRS also excels at target penetration, maximizing its lethality, as the beam will always pass through a target completely. Although the size of the wounds inflicted on a target are small, the damage done is similar to most directed energy weapons used by the Covenant. The scope on the weapon is capable of 5 and 10 times magnification. The round section in front of the hand guard and trigger area of the weapon appears to contain the Type-50's "ammunition"; after the weapon has completed its firing sequence, the section rotates presumably to "chamber" another "round".

It is classified as a Rare REQ and can be summoned in Warzone at Level 6 energy while giving 100 REQ points if sold.[4]


Similarly to the SRS 99 AM sniper rifle series, the Type-50 is excellent at picking off enemies at great distances. Its pulses are very useful at passing through any type of material, armored or non-armored; this makes the particle beam rifle's overpenetration ability much more effective at killing a wide range of enemy infantry. As the beam passes through the body at nearly the speed of light, the particles transfer their kinetic energy to the atoms in the molecules of the target area. Upon impact, the area is rapidly superheated, cauterizing the wound at the same time - a direct hit on skull area of a target will be killed instantly, and body shots depending on the area will be fatal in most cases. A rare non fatal strike to a target can also cause radiation damage, and will require additional treatment, and near misses can produce second or third degree burns to light armored targets. The beam rifle's relative silence, as opposed to the sniper rifle's loud bang, gives it a bit of a stealth advantage; however, this is compensated by the greater visibility of the Type-50's beam. In the context of the Halo games, the particle beam rifle's strength and lethality are weakened for the sake of gameplay.


While the Type-50 SRS excels at material penetration, in the games, the particle beam rifle does not have much difference than its UNSC counterpart, although in canon it is much stronger.[citation needed] The Type-50 is also unable to perform rapid shots in quick succession - after two shots are fired within a second of each other, the weapon will overheat and will shut down to prevent damage to its internal components, temporarily rendering the weapon useless. The particle beam rifle can only fire 18 shots before the battery is used up and the weapon must be replaced. Like its human counterpart, the particle beam rifle is ineffective at close range combat unless its user is skilled at close range combat with the sniper rifle. The beam of purple light produced from the beam rifle is very easy to see, but somewhat quicker at dissipating compared with the Sniper Rifle, as a sniper's position is more likely to be compromised because of this, requiring the sniper to relocate quickly before being detected.


  • T-50α: Kig-Yar snipers assigned the Fleet of Particular Justice displayed uncharacteristic bravery in their valiant defense against the Flood onslaught on Installation 04. This Alpha variant of the T-50 is an improved Beam Rifle with faster rate of fire and increased hipfire accuracy.[5] It is classified as an Ultra Rare REQ and can be summoned in Warzone at Level 6 energy while giving 150 REQ points if sold.[4]
  • T-50δ: The Prophet of Truth employed an elite team armed with powerful master-crafted weapons to hunt down his political enemies during the Great Schism. The T-50 Beam Rifle's Delta variant creates an unstable gravimetric vortex at point of impact.[5] It is classified as a Legendary REQ and can be summoned in Warzone at Level 7 energy while giving 200 REQ points if sold.[4]


Changes from Halo 2 to Halo 3[edit]

  • The weapon's energy barrel can now be clearly seen.
  • Coloring has been changed to a brighter shade of purple.

Changes from Halo 3 to Halo 2: Anniversary[edit]

  • The T-50 SRS is available only in the campaign, while its older T-27 SASR counterpart is a multiplayer-only weapon instead.
  • The weapon now has a more angular design and appears much thicker on the front.
    • The front now also has several pairs of blue lights.
  • The round section carrying the weapon's "ammunition" now has multiple lights, colored pink and turquoise.
  • The coloring is now an even stronger shade of purple.

Changes from Halo 2: Anniversary to Halo 5: Guardians[edit]

  • Mirroring the T-27 SASR in Halo 2: Anniversary, the T-50 SRS is now available only in multiplayer, while the T-27 SASR is available both in campaign and multiplayer.
  • Shots now deplete 10% of the weapon's battery instead of 5.56%.
  • The weapon is now more similarly colored to the Halo 5: Guardians version of the T-27 beam rifle.
  • Overheating animations have been altered.

UNSC remarks[edit]

  • “Makes less noise than a Battle Rifle; has less felt recoil than an M6; is at least as accurate as 99 AM of them—it’s big and heavy and the balance is weird but I can’t wait ‘til I get my hands on another one.”
  • “It’s deadly accurate. The scope is a little hard to take though—made me nauseous when I first figured out how to engage it—it’s useful enough and easy to understand. Still hurts my eyes though.”
  • “Maybe with the Elites on our side we’ll finally find out how to reload or recharge these weapons or whatever… I have a feeling we shouldn’t start holding our breath anytime soon though.”
  • “Not as much recoil as the ninety-nine but then again the mechanism is entirely different—don’t worry about the machine; a steady hand, breath control, and patience are the key to success with either one.”
  • “The Type-50 SRS is not completely silent nor is it invisible. Jackals may be superb marksmen and they’re very sneaky, but that doesn’t make them excellent snipers—they’re a little too bloodthirsty for that”.


Main-Legendary.png See our gameplay information related to Type-50 particle beam rifle in its gameplay page
Main-Superintendent.png Browse more images in this article's gallery page.
  • In the Halo 2 campaign mode on Legendary difficulty, the Beam Rifle can kill you in one hit, no matter where it hits. This can be very frustrating, especially in the levels Outskirts, Metropolis, Delta Halo, Uprising, and The Great Journey, which actually makes Sniper Jackals the most dangerous enemy in the game. Regardless of where you are hit, whether it is in the foot or the head it is fatal in one shot, even though your allies (marines or elites) can survive 2 or 3 hits.
  • Amusingly, the same can be said in Halo 3; one shot will kill you on Legendary difficulty(though the first shot will always miss). However, in Halo 3: ODST, you can survive a beam rifle shot on Legendary difficulty if you have full health and stamina. This is interesting because Spartans have better armor and are more physically robust (due to their genetic and cybernetic enhancements) than ODSTs.


Normal gallery[edit]

Halo 5: Guardians REQ cards[edit]

List of appearances[edit]


  1. ^ Despite Bungie's official article on the weapon describing its particle beam as traveling at just over hypervelocity speeds, nearly every subsequent source describes it as traveling at near-lightspeed instead. While it is possible that it has two different speed settings, it is more likely that this number has been ignored or retconned in later works.