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Re: "composite" rifle
Posted by John S. on Sunday, 12 November 2017, at 12:45 p.m., in response to Re: "composite" rifle, posted by Dick Hosmer on Sunday, 12 November 2017, at 1:00 a.m.
To fit a short threaded M1870 or M1873 barrel in the long nose M1868 receiver it would be necessary to extend the barrel threads the additional 1/2 inch or so to allow it to thread all the way into the longer receiver.
An easier way would be to not bother with extending the threads but just turn the additional distance to diameter of the deepest part of the threads. The original threaded portion of the barrel would secure it in place and the front of the turned down section would serve as a shoulder with or without any threading there. Of course, there may be some amount of risk with the metal removed there, but Bubba might have thought it was good enough for his purposes. Never underestimate Bubba's ability to do the unexpected, even if grossly unsafe.
A lot of the Bannerman and Schyler, Hartley and Graham "Frankenfield" rifles probably used similar improvised solutions in their creation.
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