Osprey Defense is the manufacturer of the premier Drop In Gas Piston Conversion Kit for the AR15/M16/M4 platform. We pride ourselves in the quality, usability and simplicity of our product and will continue to push the envelope to bring future weapon enhancement systems.
Gas piston systems will eventually be adapted for the military. Our systems can withstand sand, water and being frozen in sub-zero temperatures, and keep on running. Direct Gas Impingement Rifles are great, but have a tendency to not perform well with underpowered ammo or a dirty rifle. This is how they work. The cartridge is loaded into the chamber...Read More >>