The DC-15A blaster Rifle

The DC-15A Blaster Rifle was developed by BlasTech, and was the common essential weapon for the battle-bred Clone Troopers. It was a rapid-fire weapon, by flicking a button it could fire on semi-automatic or full-out automatic plasmafire. In addition to its spotting scope that could be used as a hand-grip, It also could be fixed with a vibro-blade, or a tri-pod, or bi-pod. It had impressive range and could easily destroy a Super-Battle droid to molten slag.

An artist's portrayal of the DC-15's attachments