The OMG ultimate airsoft gun upgrade package is designed for airsoft enthusiasts dedicated to winning the game. Tired of airsoft gun break downs? Tired of being out gunned? The ultimate upgrade features a complete rebuild of your airsoft guns internals and can be installed in any full metal version 2 or version 3 type gear box.
Package includes high speed modular gears, re-enforced piston, full metal bushings, full metal spring guide and new spring. Gun is tuned to 350-370 FPS with .20 gram bb's, ROF of 19-20 bb's per second. li-po battery ready, includes 1 year warranty on internal parts and labor.
