...The "clone" phrasing is more in relation that it can be a multi stage pumper/PCP concept. The gun will be in bottle mode most of the time; who wants to pump all the time!?
The HDD design is similar to the o-ring idea, certainly got ideas from those, and your HDD. However, imagine having a circular ring that looks like a "V" down the profile, just as thin too. On side of the "V" rests in the gland cut, point facing the muzzle end. Like a "micro-parchute" if you will. The "bounce" causes the other side of the "V" to expand open.
"The majority of things in our lives are created by folks no smarter than the rest. Afterall, the world is comprised, and operated by C average people intellctually, academically, and morally. These people are often the great pioneers that set the precedent for what excellence should be."
This forum is not affiliated with the Crosman Corporation in any way// Information presented in this forum is intended for informational purposes only; use at your own risk//Posts made to this forum are solely the opinion of the individual member