A mechanical paintball gun has a first operation chamber and a second operation chamber for receiving a firing piston and a hammer, respectively. The firing piston and the hammer move simultaneously between a first position status and a second position status. The second operation chamber is connected with a high-pressure gas source and has a normally closed valve pack. When the hammer moves to the second position status, the valve pack becomes open and allows high-pressure gas to pass therethrough to enter the first operation chamber for shooting paintballs. The second operation chamber contains therein a slidable member and a resistance device. The slidable member is linked with the hammer, and the slidable member pushes the resistance device. With the resistance device slowing down the slidable member to delay a cycle time of a shooting process, paintballs can be fed in time to enable continuous and stable shooting.

A compressed air cannon includes a launch pipe and a gas tube. The launch pipe has a closed end and an open end. The gas tube is into the top of the launch pipe, where the gas tube has an outlet directed toward the closed end of the launch pipe.

A compressed air cannon includes a launch pipe and a gas tube. The launch pipe has a closed end and an open end. The gas tube is into the top of the launch pipe, where the gas tube has an outlet directed toward the closed end of the launch pipe.

A firing mechanism of an airsoft gun includes, in combination a gun body; a sleeve in a rear portion of the gun body; a discharge tube in a front end of the sleeve; a retaining ring on the front end of the sleeve; at least one assembly, each including an air canister and a piercing member facing the air canister; a locking member put on a rear end of the sleeve and configured to rotate to cause the piercing member to pierce the air canister of each of the at least one assembly; and an electromagnetic valve configured to activate by pulling a trigger. In response to opening the electromagnetic valve, pressurized air from the assembly drives a pellet out of the gun body.

A firing mechanism of an airsoft gun includes, in combination a gun body; a sleeve in a rear portion of the gun body; a discharge tube in a front end of the sleeve; a retaining ring on the front end of the sleeve; at least one assembly, each including an air canister and a piercing member facing the air canister; a locking member put on a rear end of the sleeve and configured to rotate to cause the piercing member to pierce the air canister of each of the at least one assembly; and an electromagnetic valve configured to activate by pulling a trigger. In response to opening the electromagnetic valve, pressurized air from the assembly drives a pellet out of the gun body.

An air reservoir system is provided that includes a switchable valve to direct input air to an air reservoir, or stored air in the air reservoir to a firing pathway. Various example embodiments of the present general inventive concept may also include an air-saver system to maintain a minimum air pressure in the air reservoir during a firing operation.

An air reservoir system is provided that includes a switchable valve to direct input air to an air reservoir, or stored air in the air reservoir to a firing pathway. Various example embodiments of the present general inventive concept may also include an air-saver system to maintain a minimum air pressure in the air reservoir during a firing operation.

A gas powered gun and a pressure tube for a gas powered gun each comprises a gas regulator between a pressure chamber and a source of compressed gas. The gas regulator comprises a body forming first and second cylindrical portions connected to each other. The first cylindrical portion is in fluid connection with the pressure chamber. A piston is mounted for sliding movement in the first and second cylindrical portions. A valve seat is in the second cylindrical portion. An intermediate chamber is in the second cylindrical portion between the piston and the valve seat and in fluid connection with the source of compressed gas. A passageway through the piston connects the pressure chamber with the intermediate chamber. A biasing member presses the piston resiliently away from the valve seat. A valve seat adjusting mechanism is accessible to a user for adjusting a position of the valve seat.

A gas powered gun and a pressure tube for a gas powered gun each comprises a gas regulator between a pressure chamber and a source of compressed gas. The gas regulator comprises a body forming first and second cylindrical portions connected to each other. The first cylindrical portion is in fluid connection with the pressure chamber. A piston is mounted for sliding movement in the first and second cylindrical portions. A valve seat is in the second cylindrical portion. An intermediate chamber is in the second cylindrical portion between the piston and the valve seat and in fluid connection with the source of compressed gas. A passageway through the piston connects the pressure chamber with the intermediate chamber. A biasing member presses the piston resiliently away from the valve seat. A valve seat adjusting mechanism is accessible to a user for adjusting a position of the valve seat.

A pneumatic assembly for a projectile launching system including a body defining a continuous bore. A nozzle is positioned within the bore adjacent the forward end of the body and is moveable between a rearward position wherein the nozzle facilitates passage of a projectile through a projectile port and a forward position wherein the nozzle blocks the projectile port to prevent passage of a projectile therethrough.