Frangibility
Videos
A material is said to be frangible if through deformation it tends to break up into fragments, rather than deforming elastically and retaining its cohesion as a single object. Common crackers are exam
A plaque marking the frangible section of a London pavement, designed to be broken to release smoke in the case of an underground fire
A sequence of photos showing a frangible bullet fracturing when subjected to high velocity strain waves
Breaching round
Videos
A breaching round or slug-shot is a shotgun shell specially made for door breaching. It is typically fired at a range of 6 inches or less, aimed at the hinges or the area between the doorknob and lock
Frangibility
…reasons of range safety, to limit environmental impact, or to limit the danger behind the intended target. Examples are the Glaser Safety Slug and the breaching round. Frangible bullets will disintegrate upon contact with a surface harder than the bullet itself. Frangible bullets are often used by shooters engaging…
A US Marine practices shotgun door-breaching techniques
A British police team member using shotgun Hatton rounds in training