From UFStarfleet Wiki
Standard issue Marine rifle. Phased energy weapon more powerful then the standard Phaser III.
Developed in 2320 for Marines to use in planetary assaults against Klingon or Romulan installations.
Modification of the Phaser III used by the Marine Corp which used the Omni III Power Cell.
- Mark I - Modification to casing making the weapon more durable.
- Mark II - Upgrade to increase accuracy and reduce power drain.