The ACR "rifles" used smoothbore barrels to fire single or multiple flechette per round, rather than bullets, to provide long range, flat trajectory, and armor piercing abilities.
The pastille system is consisted of rotoformer and cooler. The rotofomer drop the liquid on the belt evenly and the drop solidified as the belt is moving forward continuously.
It exhibits good wet handleability, is easily cut with scissors or a knife, can be applied directly to equipment with complex contours, and can also be used to fabricate flat sheets or boards.