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I was recently given a Model 12 .22. I have done a little research and have found the date code in the barrel looks to be XT which would put it made in Dec of 1926 (s/n 668647). What I don't know is how to tell if it is a C, D, E or what ever sub models there might be. It has an octagonal barrel that measures 23" from the edge of the frame to the end of the barrel. It does have a round plug at the end as seen in the pic that looks like someone might have had the barrel relined?? Not real sure. I have not seen a reline look like that. The round plug is 5/16". The frame has been drilled and tapped to mount a scope. (also wondering how much this will effect the value). All in all the metal looks to be in good shape and the wood appears to have original finish.
Any help on giving me an idea of just what exactly I have would be much appreciated.
You have a 12-C. I never seen a reline job look like that as well. Is there a chance that the end screws off covering some threads. There are some 12s that have threaded barrels for a maxum silencer. I amlooking at the photos on my phone so they are quite small.if the barrel has been relined and the reciever drilled and tapped it drastically reduces the value.
I agree with the others, it is a plug for a "silencer" and is probably threaded into the end of the barrel. In the past I was able to purchase guns from Australia and these modifications were common. I imported a M12-C that had an almost identical plug in the end of the barrel.
Silencers were once legal and popular in Australia. Company in Adelaide called Myra's I think would for a small fee cut threads onto the barrell and supply the silencer and a small cap to protect the threads when the silencer was not used. Caps were contoured closely to the barrell taper and can sometimes be mistaken for fancy machining instead of a detachable part. Many 22's and even a few 410 shotguns were modified by them over the years and used in the more closely settled semi rural areas for rabbits birds and other pests. As regulations have been tightened up and silencers are now verboten some people have had lumps of metal threaded to fit and called them barrel weights, allowing them to keep the gun although it is still threaded, but not for a silencer.