243winxb
Member
303 - H335 powder or Lube problem?
http://thefiringline.com/forums/showthread.php?t=549554&page=2
http://thefiringline.com/forums/showthread.php?t=549554&page=2
See post #26 Update:The powder lit then extinguished, leaving a "clump of gold (or yellow) residue"! It seems limited to cases with lower pressures & bigger volumes, but there are several separate well-documented cases.