On Sat, 05 Mar 2011 16:25:20 -0600, The Daring Dufas
wrote:

Pardon my ignorance but I was under the impression that pneumatic nail
guns only fire when the nose piece is pushed against the surface to be
nailed.

TDD

You are correct. The one exception is if you pull back the little
safety do-hickey it will fire. Country boys have been known to shoot
at rabbits while standing on the roof.