How does Firestorm's removable breech REMOVE?
My rifles have breech plugs that were never intended to be frequently removed and installed. Thompson/Center's Firestorm apparently has a breech plug intended to be routinely removed.
What is different about Firestorm's breech plug threads or assembly or thread configuration -- whatever -- that allows safe removal and installation?
I refuse to believe the "secret" is merely witness marks. I also doubt they use acme threads. Their rifles are marketed to relatively unknowledgeable users. I am interested in how the result has been accomplished safely.
What is different about Firestorm's breech plug threads or assembly or thread configuration -- whatever -- that allows safe removal and installation?
I refuse to believe the "secret" is merely witness marks. I also doubt they use acme threads. Their rifles are marketed to relatively unknowledgeable users. I am interested in how the result has been accomplished safely.
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The removable plugs (Knight, TC and others) use a machined seat to seal the back of the barrel. High torque levels are not required, just snug is plenty.
Do not use regular petrolum lubes on the breach plug threads, or you will turn it into a non-removable one. Don't ask how I know this.
Some guys like a mag full of lead, I still prefer one round to the head.0
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