PCP (pre-charged pneumatic)  are one of the most versatile guns that you can own. The pellets that are fired from the gun travel at high Velocity, and the accuracy is unprecedented . Projectiles from .177 to .50 caliber....PCP guns use compressed breathable air as the propellant to fire pellets/slugs. The gun's air tank is compressed to 2700-4500 psi (pounds per square inch) by using a high pressure hand pump, scuba tank, or high output compressor. Once the gun's tank is filled to the desired pressure level, the gun is ready for use. No firearm license needed , recreational, hunting , or target practice. Avella offers a fun line of ammo, compressors, tanks, pumps, Scopes, and accessories.