Heavily modded gbb mp7 no leaks or issues No mags leak Has matrix special force silencer Sightmark mini red dot 3 mags with no leaks or 2 mags for $40 off as one is brand new and never been used Upgraded loading nozzle, floating valve, piston, seal, spring Parts were all professionally installed by and business and I have receipts I have over $500 in this gun Interested in trading for a gun of equal value