WGP misc powertube in black steel, NOS new shape but very light rust, could be eary commando or even NOS stock from Calfornia Cobras but I haven't checked compatability with one. Look at picture for reference to the following measurements A=.805 B=.110 C=1.31 Inner diameter is .165. Hammer end of power tube outer diameter is .248 and valve portion of power tube is .256. Total Length minus threads are 2.224. Thread size are 8-32.
