Disruptor rifle

A disruptor rifle was a weapon, a rifle modification of a disruptor. These weapons were used by Klingons, Romulans, and Cardassians. They gave off more energy than a disruptor pistol.

The Klingon version of this weapon had induction coils that could burn out. 

The Romulan disruptor rifle went through a few changes. In 2368 their rifle was small and thin. By 2371 the rifle had been enlarged and given a much sleeker design. . By 2387 it had been modified with a more conventional shoulder-braced configuration.

In the alternate reality in 2258, and  used prime-reality 2387 disruptor rifles to sabotage the Narada's drill after Chief Engineer Olson had died.

In the mirror universe of 2370, $𝜇$ tried to defend himself with a disruptor rifle but was overwhelmed by Klingons. 

The Cardassian disruptor rifle, also known as a phase-disruptor rifle, was a much simpler design than the Starfleet Type 3 phaser rifle. It had very few settings on it and fewer components than its alien counterparts. The weapon's output rating was 4.7 megajoules, with 3 millisecond recharge rate and 2 beam settings. Major Kira Nerys said that it could be dragged through the mud and still fire. 

Background
The Cardassian disruptor rifle was first seen in .The description Major Kira gives that the Cardassian rifle can be dragged through the mud and still fire is an allusion to the, which is well known for its reliability against the elements.

Disruptor geweer