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