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POTD: Dual Tube Magazine Prototype

POTD: Dual Tube Magazine Prototype – American Mystery Repeater

Welcome to at present’s Photo of the DayRight here we’ve got an unmarked American prototype thriller repeater from the mid-Nineteenth century that includes twin spring-loaded tube magazines on both facet of the barrel and a horizontal sliding breech block. This uncommon design has no documented producer.

Rifle makes use of brass body building with an iron barrel. Two tube magazines run alongside both facet of the barrel, feeding cartridges to a “harmonica model” horizontal sliding breech block. Ring set off on the underside actuates the breech block backwards and forwards for feeding and firing, whereas a bar lever on prime strikes concurrently with the breech block.

Harmonica-style horizontal breech is extraordinarily uncommon in American firearms. Most repeating rifles used vertical or rotational feeding methods. This horizontal slide design suggests experimental work by an unknown gunsmith or inventor attempting to create a sensible repeating rifle mechanism.

Twin tube magazines are equally uncommon. Most tube journal rifles used a single journal tube underneath the barrel. Having magazines on either side of the barrel would supply excessive capability however add appreciable weight and complexity to the feeding mechanism.

54 caliber chambering and 35-inch barrel recommend this was meant as a full-power rifle slightly than a small-bore experimental piece. Measurement signifies the maker was critical about making a working repeating rifle for searching or navy use.

American gunsmiths within the mid-Nineteenth century often experimented with repeating mechanisms. Most failed to realize industrial manufacturing, and their prototypes both disappeared or survive as unmarked curiosities like this rifle. With out maker’s marks or patent documentation, figuring out the precise inventor is unattainable.

Most of our POTDs make the most of pictures from our buddies at Rock Island Auction Company, the premier firearms public sale in the USA. Take a while to browse their current auctions – who is aware of, perhaps you’ll discover a piece of historical past to take dwelling!

Mystery Repeater

“Unmarked American Prototype Tube Journal Fed Sliding Breech Rifle.” Rock Island Public sale, www.rockislandauction.com/element/1049/3267/unmarked-american-prototype-tube-magazine-sliding-breech-rifle. Accessed 26 Jan. 2026.

Avatar Author ID 286 - 20972991

Author | TheFirearmBlog
Author | AllOutdoor.com Instagram | sfsgunsmith Outdated soul, licensed gunsmith, revealed creator, avid firearm historical past learner, and appreciator of outdated and distinctive weapons.

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