I purchased a new FN16250K-2 finish nailer today. I loaded it w/

Get a senco

It can be confusing these days knowing exactly how each nailer works. For example your nailer has three different triggers available that will function differently. The black trigger is the contact trigger that will fire a nail every time the safety hits the work or (bump fire with trigger held); with the grey trigger one must depress the safety foot against the work first ~ then squeeze trigger. To fire again you must release the trigger withdraw the gun ~ re-depress the safety and squeeze the trigger to fire again. A third black trigger is available that will fire the gun with mechanical arm for production work. You can test the gun for defect by disconnecting air, removing the nails, remove the trigger retainer pin, remove the trigger. Then connect air and press the gun against wood and press the trigger pin with your finger. Not good to dry fire these guns; thats why it is necessary to place gun against wood to absorbe energy. If the gun does not fire return for exchange. Good Luck