Letter: P

A projectile that is designed with a pointed profile.

The exact point on which the shooter aligns the firearm’s sights.

A front sight with flat sides and top.

Commonly used term for the propellant in a cartridge or shotshell.

Screw used to fill holes for sight or telescopic sight mounting when not in use. Also used to fill access holes to internal pins. Also called Dummy Screw.

A means of ignition of a propellant charge by a mechanical blow against the primer (modern) or cap (antique).

Travel of a bullet or shot pellet into the target medium.

1. A common name for the small spherical projectiles loaded in shotshells.
2. A non-spherical projectile used in some air rifles.

Common, popular term for aperture rear sights.

That maximum instantaneous pressure measured in the chamber of a firearm, produced by the expanding propellant combustion gases.