I've got a non vented 209 nipple but don't know for sure if the vented nipple screws out of the breech plug or if it's all one piece. Tried to unscrew the nipple but it's tight enough that I'm afraid of wringing it off. Info/Suggestions ?

Thanks,

Brute

Time has come for the U.S. to be proactive instead of reactive to those who would kill us !!