Originally Posted by ronlaughlin

Don't know if this is relevant or not, but in the Accura breech plug, the flash hole seems to be just that. The flame channel is almost the full length of the breech plug. Whilst drilling out the flame channel, it seems one could easily drill right out the end of the breech plug by not noticing when one was at the end of the flame channel. The Omega breech plug has a flash hole that is considerably longer. This is one thing i considered, but then it seemed like the vent liner would be more better; perhaps not.

Oops, it isn't as extreme as i thought. The Omega breech plug has about 1/4' from the bottom of the flame channel to the face of the opening, while the Accura breech plug has about 1/8" from the bottom of the flame channel to the face of the opening.