Osprey Defense OPS416 Fail Zero Gas Piston

Osprey Defense OPS416 Fail Zero ( EXO ) coated gas piston upgrade kit. Kit includes gas piston and bolt carrier coated with Fail Zero ( EXO ) coating. No need to change your gas block with this system. It is easy to install into your existing platform. Average time to install this kit is under 10 minutes and the video for how to install the kit is on You Tube. This system is for carbine length gas systems*******