Quote Originally Posted by Turnup View Post
Some believe that the risk of chain fires is reduced when using BP substitute (MLAGB and MLAIC also mandate BP) but from personal experience I have witnessed a chain fire using Pyrodex - two adjacent cylinders went off as well - he was using wads. No harm done to gun, shooter or trousers once the jam was cleared.
Explain, please, how cylinders in two other guns could be made to go off by a 'chain-fire' occurring in another gun.

tac, confused.