PISTOL

A firearm intended to be fired with one hand in which the chamber(s) are integral to the barrel(s).

PISTOL GRIP

On shoulder firearms, that part of the stock behind the trigger, shaped similar to the grip of a pistol to afford a better grasp.

PISTOL GRIP STOCK

A stock or buttstock having a downward extension behind the trigger guard somewhat resembling the grip of a pistol.

PISTON RING

A sharp edged ring mounted on the piston of gas operated automatic and semiautomatic firearms which makes a close seal between the piston and cylinder wall, and by a scraping action reduces the accumulation of carbon in the cylinder.

PIT

A scar on a metal surface usually the result of extensive rusting.

PALM REST

An adjustable support for a target rifle extending downward from the forearm.

PARKERIZING

A non-reflecting, rust-resistant finish used on metal surfaces of some firearms. Also called Phosphatizing or Phosphate Coating.

PAPER SHELL

Shotshells which are constructed with a body made from paper tubing.

PAPER DISC

Small circular piece of treated paper cut and pressed into the primer cup in contact with the priming mixture. Also called Foil.