Non-pyrotechnic projectiles. Powder barricade penetrators for 12 gauge. CN, CS, OC, or Practice rounds. With an effective range of 200 yards, each penetrating round contains red dye for shot placement.
Armour penetration Tactical operations Short range combat in urban area Car stopping - penetrates engine, radiator or tyres Penetration of hidden or armoured targets Penetration of targets behind a cover
And not only interesting looking, but apparently also a little controversial right now. Thanks to Jess for sending this link to a post on the International Ammunition Association new 2 go round AP designation but do th same thing