As the pepper balls work similar to a paintball, you have to strike a more challenging area for that ball to interrupt. Parting traces, variable wall thickness and sonic welding insures which the projectile is robust but frangible (relevant to payloads) The rubber bullet from the handgun is certainly a https://marcoitclt.wikicarrier.com/851490/rumored_buzz_on_5_45_bulk_ammo