de it thus the poor velocity so I have to Tear it Down and get the Gunk out of it one guy i read from said to use wd 40 in the chamber to free up the piston and other moving parts because of the motor oilI am leery of this After all Tom says this is a big no no!he is all I have for nowI will keep Tom and Bobby as well as the rest Of you posted!Jerry D. Kittle