If you shoot a lightweight pellet so its velocity exceeds the speed of sound, it could result in your pellet breaking the sound barrier and the gun being louder than expected! The speed of sound depends on humidity, temperature and altitude. Generally speaking, it's between 1,060 fps and 1,115 fps.
Here are the benefits of the Nitro Piston:
Tactical black rifle look with a Crosman Nitro Piston for dependable long-term use. Sling loops and a scope complete the military look.
