On 17/03/2012 00:01, bosaka wrote:

If there is a way to make a gun into a water pistol I would be
interested and if I can get it to multi-task and blow up balloons all
the better.

I tried the water pistol thing once with an empty silicone or acrylic
tube. String on the plunger to pull it back. The plunger leaked and the
gun never gave any decent pressure. Pity really.