interesting...
Searching true innovations c02 inflator I came across this
http://www.mtbr.com/cat/accessories/...53_136crx.aspx
Nice for the first 2 weeks until the O Ring Seal broke causing the CO2 to leak out, had hard time with customer service trying to get another replacement quickly so I could use it for a race5 for the speed of air pressure, 1 for product life and customer service
sounds like it's nature of the beast and luck of the draw 