For those who may be interested not only in researching replicas, but, more especially, original Confederate revolvers of the Civil War Era, "The Official records of the Union and Confederate Navies in the War of the Rebellion" is available online through various academic libraries. This massive collection of history contains over 30 volumes and the actual letters and testimony of events transpiring during the Civil War. Through my own state's Western Illinois University, this massive collection is cataloged with links to libraries across the country that have digital files of these volumes. I personally am a member of the Internet Archive, where I have downloaded many of these volumes for research. Here is a link to the archive of volumes for those who may be interested.
My last research was on the actual content of the Confederate "brass" revolvers that were made during the war. What follows is an account of the purchase of materials for field guns and the outcome of said purchase in testimony recorded Friday, September 19, 1862. It is known, as previously mentioned above, the "brass" they refer to is "gunmetal".:
Mr. Semmes. If these things had been purchased at a later period,what would have been their probable value?
Lieutenant Kennon. I don't think you would have gotten them for $3,000,000.
In the first place, you can not now buy block tin, which is necessary for the manufacture of brass guns, because you use 10 parts of tin to 90 parts of copper, and unless the tin is pure block tin you can not make a gun that will be serviceable.
Mr. Semmes. Did you purchase a large quantity of tin?
Lieutenant Kennon. I engaged and purchased enough to make 36 brass guns. Twelve were ordered and but one made. Leeds & Co. (Leeds & Co. made field guns for the Confederacy) had the order to make them, and though I had the block tin for that purpose they had to give them up. * The Government or the State, or both, bought that block tin afterwards for the making of field-pieces for the service of the State or the Confederate States.
The direct link to the multiple copies of "The Official records of the Union and Confederate Navies in the War of the Rebellion" is h
ttps://www.wiu.edu/.../war_ofthe_rebellion/navyRecords.php