Flare gun

The Autobot Sideswipe wields a flare gun to dazzle and blind his enemies.

Fiction

Marvel The Transformers comics

Sideswipe is capable of launching two shoulder-mounted magnesium phosphorous flares that can be seen up to 18 miles away. Sideswipe's Universe profile

During the Transformers' second battle on Earth at the Witwicky garage, Sideswipe took off with his rocket backpack to shoot Thundercracker with his flare gun while Sunstreaker fired at the incoming Decepticons with his electron pulse gun. Power Play!