NOTES: Length and Diameter measurements below appear in Inches. Weight is in Grains. Muzzle velocities are rated in "Feet Per Second". Abbreviations for varying ammunition types are AP for "Armor Piercing", I for "Incendiary" and AT for "Anti-Tank" when applicable. This chart is meant as a general reference for comparison of various ammunition types. Ultimately, always consult manufacturers with questions about your partilcular ammunition requirements and uses.