I have to agree the iron is usally meant to tack and the gun is to shrink it fast. However, on small pieces of flat stock I just use the iron all the way.
psullivan is correct in his warning of watching your temp. Ultracote uses less heat to apply and shrink than monocote. Set your iron at a low temp and work your way up.
If you are a slow mover- lower temp is better, gives you more time to move around and not mess up.
If the temp is high, you have to move faster, otherwise you can melt the covering.
One very good thing to remember that may help you-- If you mess up, you can heat it back up and pull it off, get a new piece and try again. It's not like wood stain, paint and so on. Very easy to correct mistakes, although costly.
I would suggest getting a scrap piece similar to a wing tip, a round nose and mabye something with curves. Practice on these first and learn how to use the heat gun while streching the covering to come around the curves and wing tips.
Another tip- if you are using the heat gun and you see the adhesive and covering bubbling (like boiling water) back off it's too hot.
Hope this helps and good luck.


Wow to posts while I typed this one! lol