I give up whats +P?

[Ryan500]

I got a pistol now and have been doing some reading and I see all these people taking about ammo +P...


someone help me out here?

Ryan

 

[gallen270]

higher pressure ammo, usually defensive stuff like winchester SXT and speer gold dot. its loaded hotter than plinking ammo.

 

[Wendell]

It's a SAMMI specification.

I got a pistol now and have been doing some reading and I see all these people taking about ammo +P...someone help me out here? Ryan

It is a SAAMI specification.

You can buy the standard here:
The below ANSI/SAAMI Performance Standards books detail the voluntary industry performance standards for pressure and velocity of ammunition for use by commercial manufacturers. Each book includes detailed specifications and drawings.
ANSI/SAAMI Centerfire Pistol & Revolver | Z.299.3 1993
http://www.saami.org/specifications_and_information/publications/index.cfm

Unsafe Arms and Ammunition Combinations - 211
SAAMI data sheet lists unsafe combinations for rimfire, shotgun, pistol, revolver and rifle. See page 5 of 13.
http://www.saami.org/specifications...1-Unsafe_Arms_and_Ammunition_Combinations.pdf