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Wednesday, 20 February 2008 15:11


Ogive - The curved portion of a bullet ahead of the cylindrical, or shank, section. Also, the radius of this curve, usually expressed in calibers.

Oil Dent - Dent in a cartridge case formed by too much oil or lubricant when sizing. Usually seen on the shoulder of bottleneck cases.

Overbore Capacity
- A common but unscientific term referring to a cartridge case that has too much case volume for its bore volume. Technically, every case can be over its bore capacity with some powder. Generally used when a case has a volume so large in relation to the bore diameter that only the very slow burning powders will give satisfactory performance, or very little velocity is gained by adding more powder.

Last Updated on Wednesday, 20 February 2008 16:59

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