Particle beam cannon

A particle beam cannon is a powerful weapon carried by both Autobots and Decepticons.

Fiction

Generation 1

Megatron could assemble a particle beam cannon weapons emplacement from his accessories (although in practice he rarely did, apparently preferring his fusion cannon). Megatron's toy bio

Cloudburst was armed with a particle beam cannon in spaceship mode Cloudburst's toy bio while Override wielded twin, side-mounted, armor-piercing, particle beam cannons. Override's toy bio

Not to be outdone, Optimus Prime's new Powermaster body came with two twin particle beam cannons Powermaster Optimus Prime's toy bio as did his sort-of Japanese counterpart, Ginrai. Ginrai's toy bio

Later, under the C.O.M.B.A.T. System, Spinister received a "Spin-Blast Particle Beam Cannon" Spinister's toy bio and Jetfire got two "JF-15 HP Jetboost Particle Beam Cannons". Jetfire's toy bio

S.T.A.R.S. Continuity

During the Transformers' greatest battle on Earth, Megatron assembled his particle beam cannon and opened fire on Optimus Prime. Rodimus Prime remembers the Transformers greatest battle on Earth.

Marvel The Transformers comics

Four million years ago on Cybertron, Override used his particle beam cannons to deactivate a molten mercury minefield while on a mission with Optimus Prime to reach Boltax at the Temple of Knowledge. The Flames of Boltax!

Timelines

The Dark Heart of Sandokan

Upon approaching the planet Sandokan, Astrotrain was attacked by a creature known as Synthos. Starcatcher used a particle beam cannon to distract their attacker long enough for Astrotrain to reach the planet below. The Dark Heart of Sandokan