What does PPU mean on a bullet?

ppu is a measure of a gun's muzzle blast pressure. To test out how much muzzle blast pressure a given gun has, you can use a PPU meter. There are different types of meters, but all of them work by shooting a short burst of gunpowder through the gun's muzzle and recording the pressure reading.

What does an APU mean on a rifle?

An aftermarket (or add-on) power unit (or apu is not a replacement for the stock rifle engine. Rather, it is a small, lightweight power source that can be added to the rifle to provide supplemental electrical power to the onboard systems.

What does an FPU mean on a ammunition?

The FPU is the abbreviation for "Fractional Pulse" or "Fine-Pulse" and refers to the distinctively small, rapid-fire rate of the ammunition. This allows for a smaller charge to be used for each shot and can provide longer-lasting effects on game. These types of ammunition are designed especially for use in smaller game animals. The power of these bullets is often still enough to kill larger game, but the smaller charge keeps them from expending too much energy.

What does DPU mean on a shotgun?

Determining the number of pellets fired by a shotgun is a confusing issue since it depends on how the shotgun is used. A shotgun that’s used for game hunting and target shooting will fire a number of shots that will vary from 10 to 20. A shotgun for home defense might have a lower number of pellets, perhaps just 12. Some shotguns have a setting allowing you to reduce the number of pellets, making it less powerful but perhaps more desirable to homeowners.

What does PPU mean on a pistol?

PPU refers to the level of power that a cartridge generates when it is fired. There are three main PPU ratings: standard, enhanced, and ultra-high. The most common PPU rating is standard, which can yield sub-1,000 ft. lbs. of muzzle energy. Enhanced PPU is a step up, with muzzle energy reaching 1,200 ft. lbs. or more. Finally, ultra-high PPU is reserved for cartridges with more than 2,000 ft.