- last post: 01.01.0001 12:00 AM PDT
Yes, it is French for shoe (during the industrial revolution in the US, workers would throw their shoes (sabots) into the machines to break them, thus sabotage [I know, I've seen Star Trek VI too many times]).
Anyways, sabots are made to fill the barrel, thus harnessing the gasses' power.
As to shredder rounds, it is an armor-piercing projectile that makes a bright orange line and a high-pitched hissing sound as it travels through the air. It is designed to be used against infantry and nonmoving targets.