Small circular piece of treated paper cut and pressed into the primer cup in contact with the priming mixture. Also called Foil.
Archives: Glossary
Glossary custom post type
PAPER SHELL
Shotshells which are constructed with a body made from paper tubing.
PARKERIZING
A non-reflecting, rust-resistant finish used on metal surfaces of some firearms. Also called Phosphatizing or Phosphate Coating.
REPEATING FIREARM
NITROGLYCERINE
The common term for the nitric acid ester of glycerine, i.e., glyceryl nitrate. It is incorporated with nitrocellulose smokeless powder formulations to make double base propellant powders. See Double Base Powder.
NOMINAL CHARGE
A typical charge weight of a specific powder for a specific combination of components.
NON-CORROSIVE
A term applied to primers that contain no chemical compounds that could produce corrosion or rust in gun barrels, but does not necessarily protect from corrosion or rust.
NON-CORROSIVE PRIMER
A primer which does not contain chemical compounds that could produce corrosion or rust in gun barrels. It does not by itself prevent corrosion or rust.
NON-HYGROSCOPIC POWDER
Smokeless powder which resists water absorption.
NON-MERCURIC PRIMER
A primer which does not contain compounds of mercury.