Sorry for the delayed response. It is a piston system so the hot gasses are not dumped into the chamber keeping the bolt carrier cool to the touch. Max speed would be about 7-9 mph. The wearing surface is the buffer tube which is anodized aluminum.
I am working on a design for a bolt carrier in a semi-automatic rifle. I want to make a prototype and put it through extensive testing and if I see improvement over standard design then I would like to start producing it as a "drop-in" carrier replacement kit.
The bolt carrier in mind tends to...
