New in box FN P90/PS90 5.7x28MM full auto Machine Gun with no reserve. This comes with one 50 round mag plus free red dot sight and optic rail. This also has a 1/2x28 thread adaptor already installed so you can add a silencer or any other muzzle device.p90 for sale . We are giving a 1 year warranty with this also. These are manufactured in house to FN full auto spec! This is guaranteed to run 100% reliable!