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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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What is the purpose of an inner "C" stop ring in a bolt action rifle?
The barrel has male threads and screws into the receiver's female
threads. The shoulder of the barrel stops at and presses against the end of the large ring of rifle receiver. Some rifles have an inner "C" stop ring that is where the breech of the barrel presses against. Newer cheaper rifles do not have this feature. I is very hard to machine this feature into a receiver. TIA Clark |
#2
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What is the purpose of an inner "C" stop ring in a bolt actionrifle?
On May 2, 11:12*am, "
wrote: The barrel has male threads and screws into the receiver's female threads. The shoulder of the barrel stops at and presses against the end of the large ring of rifle receiver. Some rifles have an inner "C" stop ring that is where the breech of the barrel presses against. Newer cheaper rifles do not *have this feature. I is very hard to machine this feature into a receiver. TIA Clark Anyone? These forums had Mauser opinions: http://www.benchrest.com/forums/showthread.php?t=69176 http://forums.accuratereloading.com/...3/m/6531089131 |
#3
Posted to rec.crafts.metalworking
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What is the purpose of an inner "C" stop ring in a bolt actionrifle?
On May 2, 12:12*pm, "
wrote: The barrel has male threads and screws into the receiver's female threads. The shoulder of the barrel stops at and presses against the end of the large ring of rifle receiver. Some rifles have an inner "C" stop ring that is where the breech of the barrel presses against. Newer cheaper rifles do not *have this feature. I is very hard to machine this feature into a receiver. TIA Clark I assume you're talking about Mausers with the inner diaphragm. Mostly this is an aid to barreling, in theory, all spare barrels can be chambered to the same depth and they'll work, an advantage with military arms. Everyone else's had to be checked and headspaced with a reamer after barreling since they seated on the barrel shoulder, not the barrel end. These days with a Mauser action, you can check gauge protrusion with a depth gauge on the old barrel, chamber to the same specs on the new barrel in the lathe and theoretically have the same headspace when the new barrel is wrung into the receiver. Assuming the original headspace was correct, of course. The only thing that beats it is the Savage-type barrel nut. There's some gas-handling stuff that's better with the Mauser system, too. Like you say, it's a hard-to-machine feature, most current made Mauser-type actions either don't have it at all or it's been modified for production and doesn't do everything the real deal Mausers do. Ludwig Olson wrote a pretty good book on Mausers and their action features. It's an expensive proposition to duplicate all the features of the action these days. Stan |
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