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Borchardt C-93

The Borchardt C-93 is a designed by German firearms engineer and patented in 1893, widely regarded as the first commercially successful self-loading with a locked-breech mechanism. Chambered exclusively in the cartridge, it employs a short-recoil toggle-lock inspired by Hiram Maxim's design, fires via a striker mechanism, and holds eight rounds in a detachable box magazine housed in the grip—a configuration that became a standard for future pistols. Measuring approximately 14 inches (355 mm) in overall length with a 7.7-inch (196 mm) barrel and weighing about 41 ounces (1,160 grams) unloaded, the C-93 was produced in limited numbers—roughly 3,000 units—between 1893 and 1899 by Ludwig Loewe & Co. (around 1,100) and later by (DWM). Borchardt, born in 1844 in , , developed the pistol after gaining experience with American manufacturers like , Remington, and Sharps, before returning to to work with Loewe. The design incorporated innovative features for its era, including a manual safety via a vertical slider on the frame, fixed with optional windage adjustment, and a rear rail for attaching a detachable shoulder stock or holster to function as a , enhancing its accuracy and stability despite its bulky profile and steep 90-degree grip angle. Although reliable and accurate with a rapid , the C-93 faced military evaluation without adoption; it was tested by the U.S. in 1894 and the U.S. at , but rejected due to the cartridge's insufficient long-range penetration and the pistol's overall size and complexity. The Borchardt C-93's most enduring legacy lies in its influence on subsequent semi-automatic pistols, particularly serving as the direct precursor to Georg Luger's (P08) design, which refined the toggle-lock system and relocated components like the spring for better . Borchardt himself declined to modify his , leading Luger—his colleague at —to develop the improved version that gained widespread military use. Today, surviving examples are highly valued by collectors for their historical significance, though the original 7.65×25mm ammunition is rare and the is not recommended for firing modern equivalents like due to pressure differences.

Development

Design Origins

Hugo Borchardt (1844–1924), a German-born firearms engineer, immigrated to the United States around 1858 and built a distinguished career in American arms manufacturing. He worked at Colt's Patent Firearms Manufacturing Company, where he contributed to revolver designs, and later at Winchester Repeating Arms Company, developing double-action mechanisms. Borchardt also served as superintendent at Sharps Rifle Company from 1876, overseeing the creation of the Sharps-Borchardt Model 1878 single-shot rifle, renowned for its precision in long-range shooting. In 1890, he returned to Germany to join Ludwig Loewe & Co. in Berlin, bringing his expertise in innovative locking systems and manufacturing techniques to the firm's experimental projects. The Borchardt C-93's design originated from Borchardt's adaptation of Hiram Maxim's toggle-lock mechanism, patented in 1884 for the Maxim machine gun, which used to flex a knee-like joint for reliable operation under high pressure. Borchardt scaled this system down for a , achieving a locked-breech semi-automatic action that could handle more powerful than contemporary blowback pistols. His primary objective was to pioneer the first viable self-loading pistol as a sidearm, rectifying revolver shortcomings like manual reloading after each shot and limited capacity, thereby enabling faster follow-up fire in combat scenarios. Borchardt filed a patent in 1893 detailing the toggle-lock recoil system central to the C-93, with the toggle itself protected under DRP No. 75,837. Complementing the pistol, he developed the cartridge—a high-velocity, rimless, bottlenecked round—to ensure the could safely manage its pressure. Early prototypes, hand-built at Loewe's facilities in 1892–1893, underwent initial testing to verify reliability with this new cartridge, addressing challenges like toggle durability and extraction under recoil.

Production History

The production of the Borchardt C-93 began in 1893 under Ludwig Loewe & Co. in , following Hugo Borchardt's patent for the design. The company manufactured approximately 1,100 units between 1893 and 1896, utilizing high-quality steel and precision machining techniques typical of late-19th-century production. Serial numbers for these early Loewe pistols ranged from 1 to about 1,100, reflecting the initial commercial run aimed at demonstrating the pistol's viability to potential military buyers. In 1896, Ludwig Loewe faced financial difficulties amid broader economic pressures in the , leading to a merger with Deutsche Metallpatronenfabrik, an manufacturer based in . This consolidation formed Deutsche Waffen- und Munitionsfabriken () in 1897, which assumed control of Loewe's firearms operations and continued C-93 production in . DWM produced nearly 2,000 additional units until around 1899, with serial numbers continuing sequentially from 1,101 onward, reaching a total estimated output of about 3,100 pistols. This made the C-93 the first to achieve notable commercial production volumes, though exact figures vary slightly in historical records due to incomplete factory documentation. The pistols were crafted with meticulous , including hand-fitted components and polished finishes, but their complexity and high manufacturing costs—exacerbated by the absence of large-scale military contracts—restricted broader . Produced primarily in anticipation of adoption by armies, the C-93's expense and intricate toggle-lock mechanism limited sales to affluent shooters and export markets, contributing to its status as a pioneering yet niche .

Technical Design

Operating Mechanism

The Borchardt C-93 employs a toggle-lock short-recoil operating system, in which the barrel and toggle assembly initially recoil together for a short distance before the toggle straightens to unlock the breech, allowing extraction and ejection. This mechanism, adapted from the gun's toggle design, provides a during firing to contain high-pressure gases securely. The firing cycle begins with the striker-fired , where pulling the single-action trigger releases the to ignite the primer of the chambered . Upon ignition, the impulse drives the barrel, , and articulated toggle rearward together, maintaining lock until the exits the barrel. A roller on the rear toggle link then rides a curved surface in the frame, causing the toggle to pivot and bend at its , unlocking the breech. This unlocks the spent case, which is extracted by the fixed ejector and flung outward as the assembly continues rearward, compressing the spring located beneath the barrel. The spring then expands, propelling the toggle and forward; a spring-loaded follower in the grip-mounted box feeds the next into the chamber, and the toggle straightens to relock the breech, cocking the for the subsequent shot. Key components include the articulated toggle joint, which serves as both the locking and unlocking element; the recoil spring, which absorbs and returns the energy of the cycle; and the striker mechanism, which provides reliable ignition without an exposed hammer. Compared to contemporary blowback designs, the toggle-lock system offers secure breech locking, allowing safe use of higher-pressure cartridges like the (muzzle velocity approximately 1,312 fps (400 m/s) and energy around 325 ft-lbs (440 J)), which would overwhelm simpler blowback pistols. However, the mechanism's demands precise tolerances and renders it sensitive to and , increasing the risk of malfunctions in adverse conditions.

Specifications and Features

The Borchardt C-93 measures 355 mm (14 in) in overall length and has a barrel length of 195 mm (7.7 in). Its height is 137 mm (5.4 in) and width is 47 mm (1.9 in). The unloaded weight is 1,160 g (2.56 lb), increasing to approximately 1,300 g when fully loaded with an 8-round magazine. The pistol employs an 8-round detachable box inserted into the , a pioneering feature as the first such design in a semi-automatic . Sights consist of a fixed front blade and an adjustable rear sight for , providing a large sight radius for improved accuracy. Controls include a manual safety operated by a vertical slider on the left side of the frame above the grip panel, and a loaded chamber indicator visible on the toggle lock mechanism. Construction utilizes a blued and for durability and corrosion resistance, paired with checkered walnut grip panels for secure handling. An optional detachable wooden shoulder could be attached to the rear rail, converting the pistol into a carbine-like configuration for enhanced stability. In terms of performance with the cartridge, the achieves a of 390 m/s (1,280 ) and an of 50 meters in standard use.

Variants

Standard Models

The Borchardt C-93 standard model was a chambered exclusively in the cartridge, featuring a toggle-lock action and an 8-round detachable box magazine inserted into the . All production examples shared this core configuration, with minor serial-number-based improvements introduced over time, such as refined trigger mechanisms in later (DWM) examples to enhance reliability and smoothness. There were no major sub-variants in the standard lineup, though some cosmetic differences appeared in grip panels, such as variations in checkering patterns on the walnut stocks for improved handling. Production of the standard C-93 occurred in two phases: approximately 1,100 units manufactured by Ludwig Loewe & Co. from 1893 to 1896, followed by about 2,000 units produced by from 1897 to 1899. Markings on Loewe-era pistols typically included the company logo and "C93" stamped on the frame, along with "Ludwig Loewe & Co. " on the slide or receiver. In contrast, DWM models bore "D.W.M." within a rectangular and the Berlin address on the frame, reflecting the manufacturer's reorganization. Early Loewe production units were largely hand-fitted by skilled artisans to ensure tight tolerances and operational reliability, contributing to their reputation for precision craftsmanship. Later examples adopted more standardized manufacturing processes while retaining artisanal finishing, allowing for increased output without significant compromises in quality. Standard accessories supplied with the C-93 included leather holsters designed to accommodate the pistol's long recoil spring housing, spare 8-round magazines often numbered to match the frame, and optional detachable wooden shoulder stocks that converted the pistol into a carbine-like configuration for improved stability at extended ranges.

Experimental and Test Variants

Several experimental modifications were made to the Borchardt C-93 to evaluate its performance with alternative calibers during international military trials. Some test models were chambered in to address feedback on the original cartridge while retaining the pistol's toggle-lock mechanism; these were used in trials including evaluations in 1897, aiming to reduce overall size and improve handling, though the core design's bulkiness ultimately limited adoption. A small number of test models were also produced in 9×18mm Borchardt, an experimental bottlenecked cartridge with a shortened case developed by around 1902 to explore higher-velocity options without altering the pistol's frame significantly. This caliber experiment reflected efforts to enhance for potential European contracts, but it remained short-lived and did not progress beyond prototyping. Additional experimental variants included models chambered in 9mm Bergmann–Bayard for other military assessments. For U.S. Navy evaluations in late 1894, examples were adapted to fire the .30 Luger () cartridge, necessitating modifications to the recoil system to compensate for differences in pressure and case dimensions compared to the standard loading. These changes allowed demonstration of the pistol's rapid and accuracy, yet ergonomic issues and excessive length prevented successful standardization. Overall, such variants numbered fewer than a dozen confirmed survivors today, with most retained by (DWM) for further development or destroyed after trials.

Adoption and Use

Military Trials and Adoption

The Borchardt C-93 underwent early military evaluations in the United States, beginning with a demonstration to the U.S. Navy Ordnance Board in late 1894 by on behalf of (DWM). The pistol impressed testers with its accuracy and rapid rate of fire, but it was ultimately rejected due to its excessive size, weight, and high manufacturing costs, which rendered it impractical for standard issue. The U.S. Army conducted similar trials in 1895, yielding comparable outcomes, as the design compared unfavorably to more compact revolvers in terms of holsterability and portability. In , the C-93 was presented to the military during their 1897 handgun trials, where it demonstrated reliable performance but drew criticism for its bulk and . authorities requested a smaller, more handy variant, but declined to modify the design, leading to task with refinements that resulted in the pistol, adopted by in 1900. Limited interest was expressed by other nations, including , but no substantial contracts materialized, and the C-93 saw no formal large-scale military adoption anywhere. Overall military of the C-93 remained under 200 units worldwide, primarily for trial purposes, with sporadic use noted from 1895 through among a handful of officers. Though it was not selected as a military sidearm.

Civilian Applications

The Borchardt C-93 entered commercial markets primarily through export sales, with Hermann Boker & Co. of serving as the primary distributor in the United States starting in the late . The pistol was marketed to affluent target shooters and collectors, bundled with accessories such as three extra magazines, tools, oilers, and cleaning rods, and priced at $30 per unit in 1898 advertisements. This pricing positioned it as a premium item for civilian enthusiasts interested in innovative self-loading firearms. Small export shipments targeted personal defense needs in regions like and . By the end of production, an estimated total of over 1,000 civilian sales worldwide from the overall production run of around 3,000 pistols. These sales reflected the pistol's appeal as a novel sporting arm rather than a mass-market product. Examples have been documented in collections from various countries, including a well-preserved specimen discovered in as of October 2024. In target shooting circles, the C-93 gained popularity for its accuracy when used with the optional detachable shoulder stock, which transformed it into a pistol-carbine configuration suitable for deliberate fire at longer ranges. Its toggle-lock mechanism and cartridge provided reliable performance in competitions, attracting precision-oriented shooters despite the design's bulkiness as a handgun. Private ownership was concentrated among European nobility and affluent enthusiasts, who valued the C-93 as a of early automatic technology. Some owners modified the for holster carry by shortening the grip or adding custom holsters, though its awkward —stemming from the rearward housing—limited practical concealed use. Commercial interest waned by 1902, as tapered off and the was overshadowed by more ergonomic and affordable alternatives, such as the Model , which offered similar self-loading functionality at a lower cost. The emergence of the improved , based on the C-93's toggle-lock principles, further accelerated its phase-out from civilian markets.

Legacy

Influence on Subsequent Firearms

The Borchardt C-93 served as the direct precursor to Georg Luger's pistol, introduced in 1898 and later standardized as the P08, which refined the original design by shortening the toggle-lock mechanism, reducing overall bulk, and enhancing ergonomics for practical use. These modifications addressed the C-93's cumbersome proportions while retaining the core toggle-lock operating system, resulting in the P08's widespread adoption and production exceeding two million units across military and commercial variants. The C-93's 7.65×25mm cartridge established a foundational bottlenecked design for high-velocity pistol ammunition, directly evolving into the slightly more powerful round adopted for the in 1896. This lineage continued with the Soviet cartridge in 1930, dimensionally compatible but loaded to higher pressures, which saw extensive use in II-era firearms such as the TT-33 and . The C-93's toggle-lock short-recoil mechanism, adapted from the Maxim machine gun, profoundly shaped subsequent designs, most notably powering the and influencing the transition from blowback to locked-breech systems in semi-automatic pistols. Its innovative placement of a detachable box magazine within the grip became the ergonomic standard for modern semi-automatic handguns, prioritizing balance and reload efficiency over earlier external or frame-mounted alternatives. As the first commercially successful locked-breech pistol capable of handling high-velocity cartridges, the C-93 paved the way for advanced recoil-operated systems, indirectly influencing John Moses Browning's design—despite the latter's distinct tilting-barrel mechanism—by demonstrating reliable operation with powerful rounds beyond simple blowback limitations. Georg Luger's refinements at (DWM) explicitly built upon Hugo Borchardt's patents for the C-93, with Borchardt continuing as an engineer at the firm to support ongoing pistol development into the early 1900s.

Collectibility and Modern Significance

The Borchardt C-93 holds significant appeal among firearms collectors due to its extreme rarity, with total production limited to approximately 3,100 units between 1893 and 1902. Surviving examples in good condition are estimated to number under 1,000, making well-preserved specimens particularly valuable artifacts of early development. Among these, early models manufactured by Ludwig Loewe—totaling about 1,100—are the most sought-after, prized for their historical precedence and pristine markings. In the modern collector market as of 2025, auction prices for standard Borchardt C-93 pistols typically range from $20,000 to $50,000 USD, influenced by factors such as matching serial numbers, original bluing retention, and documented . Presentation-grade examples, often cased with accessories and tied to notable historical figures, have commanded prices exceeding $100,000 at high-profile sales. Preservation remains a key concern, as common issues like toggle wear from stress can diminish value; collectors prioritize unrestored pieces to maintain authenticity. Modern reproductions are exceedingly rare, limited mostly to non-functional replicas for museum exhibits or educational displays. Culturally, the Borchardt C-93 symbolizes pioneering in 20th-century firearms and appears as a in historical films, including WWII-era dramas, to evoke . It is prominently featured in authoritative books on , underscoring its role as the precursor to later toggle-locked designs. Recent interest has surged, driven by the pistol's 125th anniversary in and ongoing exhibitions at institutions like the Cody Firearms Museum, which highlight its mechanical ingenuity and scarcity.

References

  1. [1]
    Borchardt C-93 pistol (Germany)
    The Borchardt C-93 pistol, probably the first ever mass produced semi-automatic handgun and certainly one of the most influential on succeeding designs.
  2. [2]
    C93 Borchardt: the First Successful Self-Loading Pistol at RIA
    Nov 29, 2015 · The gun was safe and reliable, and it set the standard for locating a detachable box magazine in the grip, which remains the standard today.Missing: specifications | Show results with:specifications
  3. [3]
    The Borchardt C-93 Was the First Mass-Produced Semiautomatic Pistol
    ### Key Facts About the Borchardt C-93 Pistol
  4. [4]
    Borchardt C-93 - The Firearm Blog
    Jul 5, 2012 · It is said to be the first semi-automatic pistol that was mass produced. Different sources give different numbers for how many were produced, ...Missing: specifications | Show results with:specifications
  5. [5]
    Hugo Borchardt - House of Browning
    Hugo Borchardt. 1844-1924. Hugo Borchardt was born in Germany and immigrated to the United States about 1858. Little is known about his early career.Missing: biography designer
  6. [6]
    Sharps Sharps-Borchardt Model 1878 Mid Range
    Another such person was Hugo Borchardt. In 1878, Borchardt worked for Sharps Rifle Co. to design a new line of rifles. He produced a successful design, but it ...
  7. [7]
    Borchardt automatic pistol - Forgotten Weapons
    It was designed in 1893 by Hugo Borchardt, based on the toggle lock mechanism used in the Maxim machine gun that had been recently developed. It used a 7.62 ...Missing: inspiration | Show results with:inspiration
  8. [8]
    Luger Story – The Borchardt & Luger Automatic Pistols
    This documentary tells the story of the competition among rival pistol designers to be the first to supply the world's military with self-loading pistols.
  9. [9]
    A fine 7.65x25mm System Borchardt patent C-93 self-loading pistol ...
    The barrel with express fore-sight, adjustable open rear-sight, the toggle stamped 'D.R.P. No. 75837', the slide stamped 'System Borchardt. Patent.
  10. [10]
    C93 Borchardt Pistols & Accessories - Luger Firearms
    The Borchardt C-93 semi-automatic pistol was designed by Hugo Borchardt (1844–1921) in 1893 based upon the Maxim toggle-bolt design.Missing: prototypes 1892-1893
  11. [11]
    The Borchardt C93 Pistol | Rock Island Auction
    The Borchardt C93, often hailed as the grandfather of modern semi-automatic pistols, was the first auto-loading pistol to enjoy a notable production run.Missing: specifications sources
  12. [12]
    Sold at Auction: A cased Borchardt C 93 of Loewe manufacture
    ### Summary of Borchardt C-93 Production Information
  13. [13]
    [PDF] A Luger Short Story - American Society of Arms Collectors
    They hired Borchardt as a con- sultant and began production of his pistol in 1894. The Borchardt C 93 was remarkable piece of work in ev- ery sense.Missing: "firearms | Show results with:"firearms
  14. [14]
    Actions: Recoil Action: Short Recoil Operation - II
    Sep 9, 2010 · The Luger design started with the basic Borchardt designed mechanism, but had an angled grip that made it easier to point, added a new grip ...
  15. [15]
    7.65x25 Borchardt - Modern Firearms
    ### Ballistic Data for 7.65×25mm Borchardt
  16. [16]
    Borchardt C-93 - Guns in Movies, TV and Video Games
    It was designed in 1893 by Hugo Borchardt of the German arms manufacturer Deutsche Waffen- und Munitionsfabriken. Its action was based on the toggle lock ...Missing: inspiration | Show results with:inspiration
  17. [17]
    Borchardt C93 Manual - Forgotten Weapons
    Oct 16, 2013 · The C93 Borchardt was the first truly commercially successful self-loading pistol, and it was the basis for the P08 Luger which would become one ...
  18. [18]
    In The Beginning: Semi-Automatic Pistols of the 19th Century
    Jan 4, 2018 · In the meantime, Loewe assembled about 1,100 Model 1893s before handing the production to Deutsche Waffen- und Munitionsfabriken (DWM), which ...
  19. [19]
    DWM - 1893 Borchardt - Rock Island Auction
    Dec 4, 2016 · This is an example of a late production Model 1893 Borchardt pistol that was produced by the DWM factory. These are highly desirable and not encountered near ...
  20. [20]
    Factory Cased Loewe Production Borchardt Model 1893 C93 Semi ...
    The pistol used a toggle lock system, which meant that when the gun fired, a two-piece arm rose and flexed as the gun recoiled, thus allowing the breech to ...Missing: origins | Show results with:origins<|separator|>
  21. [21]
    Cartridge of the Week: .30 Luger/7.65×21mm Parabellum
    Mar 27, 2022 · In 1897, the C-93 Borchardt pistol was submitted for testing to the Swiss Military Trials Committee. ... Parabellum cartridge from the 7.65×25mm ...
  22. [22]
    9mm Borchardt - General Ammunition Discussion
    Dec 30, 2019 · The case length of this cartridge, by the way, is not 25 mm, but rather 18 mm (lengths shown in EB Volume I are 18.10 - 18.20 mm). The 7.65 x 25 ...
  23. [23]
    Borchardt - MG-Props
    The cartridge used in the Borchardt C-93 Pistol was the basis for the primary cartridge used in the Mauser C96 pistol (7.63×25mm Mauser); they have the same ...
  24. [24]
    PIONEERING 19th CENTURY MACHINE GUN LEADS ... - Bonhams
    The Borchardt pistol was tested by the U.S. Navy and Army from 1894 onwards. Although it was accurate and its rate of fire was rapid, it was expensive to ...
  25. [25]
    Parabellum Pistol aka Luger - The Treasure Bunker
    Aug 31, 2025 · The Swiss produced Model 1906 Parabellum serial numbers continued from where DWM ended, so the first Bern Produced 1906 serial number was 15216.
  26. [26]
    Collector Firearms Of The 1893 Columbian Exposition
    The winding path to the Colt M1911 started with a Borchardt C-93 and took 15 years of developing perseverance before its adoption by the U.S. Army's Ordnance...
  27. [27]
    C93 Borchardt Accessories
    Oct 1, 2017 · A German language version of the C93 Borchardt instruction manual. SPANISH MANUAL. Click on manual to view inside pages. A Spanish language ...Missing: DRP | Show results with:DRP
  28. [28]
    GERMAN P08 "LUGER" - GUNS Magazine
    No figure is carved in stone, but it appears that about three million (give or take a few hundred thousands) were made between 1900 and 1945, and perhaps a bit ...
  29. [29]
    Case Histories: 7.62x25mm Tokarev | Rifle Ammunition - Gun Mart
    Dec 9, 2016 · Dimensionally identical but with more grunt the 7.63x25mm Mauser morphed out of this 1893 design. The third and final iteration is our topic for ...
  30. [30]
    The Debt Owed to John Browning - The Armory Life
    Jun 10, 2025 · The C93 holds the distinction of being the world's first “locked breech” pistol, instead of the vastly more simple “blowback” operated firearms.
  31. [31]
    The Luger Carbine Presented to Hugo Borchardt | Rock Island Auction
    ... Borchardt C-93. He also designed the box magazine for the pistol grip that ... Ludwig Loewe had employed Borchardt during the production of his pistol.
  32. [32]
    Hermann Historica, the most spectacular pieces sold at auction 104
    May 13, 2025 · The Borchardt C93 is a classic of modern gun auctions. This example made by Ludwig Loewe's DWM in Berlin brought the hammer down to 18,000 euros ...Missing: quantities | Show results with:quantities
  33. [33]
    waffenfabrik loewe, berlin, serial no. 188 - Christie's
    A FINE AND EARLY CASED 7.63mm 'C93 SYSTEM BORCHARDT' SELF-LOADING PISTOL WAFFENFABRIK LOEWE, BERLIN, SERIAL NO. 188. With 7 ½ in. (19 cm.) nitro barrel ...
  34. [34]
    Borchardt C-93 - Still out there ? | Canadian Gun Nutz
    Sep 12, 2010 · I do believe that total production of the Borchardt was something like 1500 units, of which the first 1000 were marked to Ludwig Loewe - Berlin ...