Back in the day my wife won one at Paintball Hill (the one north of Napa CA) and I worked on it a bit. When we went to SC Village about a month later Bud Orr was there. He saw the marker and said (and I really quote this) "I'm sorry." And yes they are rare, very few made.
Yes it is a straight line Nelson based marker, however the marker is about %98 finished. You will note the inability to remove the bolt without taking the bolt pin out. I cut a line out of the back of the marker so I could remove the bolt easier.
That was the only problem about the marker it was a good, well shooting marker. However it was taken out of my truck about 15 years ago. My wife was pissed about it.
Deputy Sheriff/Death Investigator.
My day begins when yours ends.