Forgotten Weapons
Published 23 Mar 2022
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July 13, 2022
m/26 Suomi: Aimo Lahti’s First Production Design
May 25, 2022
M1915 Villar Perosa
Forgotten Weapons
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The Villar Perosa is one of the first small machine guns developed and used by a military force. It was designed in Italy and introduced in 1915 as an aircraft weapon, to be used in a flexible mount by an airplane’s observer. The gun consists of two independent firing actions mounted together. Each fires from an open bolt as a rate of 1200-1500 rounds/minute, feeding from a 25 round magazine of 9mm Glisenti cartridges. This allowed the maximum possible volume of fire in an aerial combat situation, where in 1915 ballistic power was not particularly important.
As aircraft armaments improved and synchronized, belt-fed machine guns became practical, the Villar Perosa was quickly made obsolete in aerial use. The Italian military experimented with several applications of the weapon in ground combat, including slings and belt fittings for walking fire, tripods, mounts with integral armor shields, and bicycle mounts. None of these proved particularly successful, as the elements that made the gun well adapted to early aerial use (high rate of fire with a small cartridge) made it relatively ineffective for infantry use.
Ultimately, the best use of the Villar Perosa was to break them up and convert the actions into shoulder-fired submachine guns. Designs to do this were developed by both the Beretta company and Villar Perosa themselves, and in 1918 these guns entered service in the same approximate period as the first German MP-18 submachine guns. Because of this recycling, intact M1915 Villar Perosa guns are quite rare today.
April 11, 2022
Book Review: Sturmgewehr! From Firepower to Striking Power (New Expanded Edition)
Forgotten Weapons
Published 17 Sep 2017Get your copy from Collector Grade Publications: http://www.collectorgrade.com/bookshe…
Collector Grade is known for being a premiere publisher of technical firearms reference books, and I would be willing to argue that Sturmgewehr! by Hans-Dieter Handrich is the best book they have yet printed. The book was originally printed in 2004, and by the time I started looking for a copy myself, it was out of print and the price had jumped to at least $250, when I could even find a copy. I could never quite bring myself to pay that much, and so I was very excited when I learned that an expanded second edition was in the works. Well, that second edition is available now, and it’s even better than I had anticipated.
What makes Sturmgewehr! such an excellent book in my opinion is how it tackles the story of the MP43/MP44/StG44 from several different angles in depth. It has the mechanical development of the gun from prewar experiments to the open-bolt MKb-42 trials guns to the production versions. But it also puts those guns in historical context, how they related to the other weapons being used by both Germany and other nations. It discusses how the design criteria of the Sturmgewehr were arrived at, in terms of logistics and manufacturing methodologies. It explains in detail the political disagreements and convoluted process of weapon design and adoption in Germany, including the three direct rejections of the concept by Hitler.
In short, it gives you the fully-rounded story of how the German military conceived and implemented a whole new class of small arms. In this way, it is really much more than just a book about a single gun’s history — what you learn reading Handrich’s work will give you insight into virtually all arms design programs of the 20th century, from the Chauchat to the 7.62mm NATO rifle trials to the SA80.
If you already have a copy of the original work, you will probably want this one as well, to get the additional 120 pages of information that have been added. And it should go without saying that if you don’t have the original, you should absolutely get a copy of this new edition before it also falls out of print!
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March 30, 2022
Italy’s Sleeper Submachine Gun: The Beretta 38A
Forgotten Weapons
Published 16 Mar 2018The Beretta 38A is not a gun that comes to mind for many people today when discussing World War Two submachine guns, but at the time it was one of the most desirable guns of its type. So — does it live up to that reputation?
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March 27, 2022
Book Review: The Uzi Submachine Gun Examined, by David Gaboury
Forgotten Weapons
Published 13 Aug 2017The UZI Submachine Gun: Examined is a newly published book this year by David Gaboury — long time owner and operator of the uzitalk.com forum. Until now there has not really been any substantive written reference material on the Uzi, but Gaboury has certainly changed that!
The Uzi has not really seen many major variations in its design beyond the Uzi/Mini Uzi/Micro Uzi scaling (and the semiauto and full auto variations of each), but it has lived two rather distinct lives. One is the Uzi as a global military arm, and the other is the Uzi as an American commercial product — and this book covers both in excellent detail.
On the military side, the book begins with a substantial chapter on the initial development of the Uzi and Israeli submachine gun trials. A remarkably wide variety of guns were considered by the Israeli armed forces, and the trial ultimately came down to two domestic designs. The influence of the Czech ZK-476 and SA vz 23/4/5/6 designs are well explained, and much of the mythology about where the design came from is dispelled. Gaboury makes good use of both original documentary sources and firsthand conversation with those who were involved at the time to tell this story.
With the gun accepted, in production, and becoming very popular with Israeli troops, international sales become a possibility. Gaboury covers the adoption of the gun by the Dutch armed forces, followed by the German and South African militaries — as well as the licensed production by FN. He also examines other copies and adaptations, including Croatian, Japanese, and Chinese.
The second half of the Uzi story is that of its sale in the United States (including the use by US security organizations including the Secret Service). This is a story every bit as complex and detailed as the international military use of the gun, as US legal changes in 1968, 1986, 1989, 1994, and 2004 all play a major role in dictating changes that must be made to the guns for import and sale. In particular, Gaboury has detailed chapters on the major sellers of Uzis in the US — Action Arms, Group Industries, and Vector Arms (as well as many other smaller players).
While there may not be many major variations of the Uzi, there are a multitude of smaller changes to individual parts in both design and production technique, and Gaboury covers these in remarkable detail. If there is a flaw to the book, it is not in lack of detail, but perhaps in a bit of dryness to the writing. The information is clearly presented, but not particularly engaging to the reader who is only mildly interested in the subject. This is a minor criticism, however, and the book is an outstanding reference for anyone who has, well, really any questions at all about the Uzi.
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March 24, 2022
The French MAS-38 Submachine Gun
Forgotten Weapons
Published 4 May 2017The MAS-38 was France’s first officially adopted submachine gun, rushed into service in 1940. It was basically too late to help with the defense of France, with less than a thousand delivered by June 1940. The Germans kept the gun in production, making 20-30 thousand under the designation MP722(f). French production picked up immediately after the war, and 203,000 were made by the end of 1951. The gun would see service mostly in Indochina.
Mechanically, the MAS 38 is a simple blowback SMG, although it has a few unusual features. One is the approximately 6 degree angle between the barrel and receiver, which was done in order to drop the stock and allow a sight picture with shorter iron sights. As a result, the bolt face is also cut at about a 6 degree angle off perpendicular. The safety is the trigger itself, which folds up and forward to engage, locking the bolt in place. The weapon is chambered for the 7.65 French Long cartridge, which was also used in the 1935A and 1935S pistols. It is lighter than most other military submachine gun rounds, roughly on par with 9x18mm Makarov. That reduced ballistic peer does make for a very comfortable and controllable weapon, however.
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March 21, 2022
M44 Submachine Gun: Finland Copies the Soviet PPS-43
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The kp/31 Suomi submachine gun in Finnish service was an outstanding weapon, but it was slow and expensive to manufacture. When Finnish forces began capturing Soviet PPS-42 and PPS-43 submachine guns from the Soviets in the Continuation War, it was very quickly decided that Finland should copy the design. This was a far simpler, far cheaper stamped sheet-metal design that was not as refined as the Suomi, but much more efficient to make.
The Sudayev design was changed only minimally; primarily to fit the Finnish cartridge (9x19mm Parabellum) and magazines. The guns were originally designed to use the 50-round quad-stack boxes and 71/72 round drums of the Suomi, but also used the Swedish Carl Gustaf m/45 magazine that was adopted by Finland after WW2.
Two companies were approached to produce the M44; Tikkakoski and Ammus Oy. Ammus was unable to source raw materials for the project, and only Tikka put the guns into production. Marshal Mannerheim initially wanted 50,000, but the order was reduced to 20,000 — of which only 10,000 were actually made, due to limited material availability before the end of the war led to production ending. Another 400 were assembled from remaining parts after the war.
In the 1950s, a plan was begun to resume M44 production in order to completely replace the Suomi in Finnish inventory. However, this plan was interrupted when Sam Cummings of InterArms made a deal to trade Finland about 75,000 surplus Sten guns for Finland’s supply of 7.35mm Carcano rifle (received as aid from Italy during the war) along with a melange of old machine guns. This was a sufficient quantity of Stens to handle the duties of the Suomi, and so the Sten went into Finnish service and M44 production was never resumed.
Those Carcano rifles were in turn imported into the United States, and this is why the majority of 7.35mm Carcano here bear Finnish “SA” property stamps. The same is true for the significant number of Chauchat automatic rifles in the US with Finnish property marks, which were also part of the deal.
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March 18, 2022
Best SMG of World War Two: The Beretta M38A
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The Beretta Model 38A was one of the very best submachine guns of World War Two. Designed by veteran Beretta engineer Tullio Marengoni (who designed most of Beretta’s pistols as well as the Beretta M1918 SMG and 1918/30 carbine), it was the first Italian weapon to use a cartridge equivalent to 9x19mm Parabellum instead of 9mm Glisenti. Development began in 1935, and the final version entered production in January 1938.
The change from the Model 38 to 38A is unclear, but seem most likely to be the change from the top ejection of the prototypes to the left-side ejection of the production model. The 38A was formally adopted by the Italian Army in July 1938, but issue was delayed until 1940/41 because Beretta first produced a 20,000-unit order for the Romanian military.
By 1941, the basic design had been significantly simplified, and the Model 38/42 would significantly reduce production cost by removing the magazine well cover, barrel shroud, and removable firing pin. Simplified 38/42, 38/43, and 38/44 models would enter production, but original 38As were also manufactured until 1944 (this particular example is dated 1943). The gun was very popular with both Italian and German troops, and production continued under German occupation late in the war. Total numbers are unavailable, but are probably in excess of 500,000. The gun was so popular that Beretta was able to restart production after the war and continue selling them until the early 1960s.
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March 9, 2022
A Covert Weapons for Special Operations: the Sten MkII(S)
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There are a fairly wide variety of silenced Sten guns that were made during World War Two, because many were needed for small Special Operations Executive missions. However, the British Army did also formally develop and adopt such a weapon. It was initially requested in 1942, with the first trials in November of that year. After two years of tinkering and deliberating, a pattern was finally put into production in February 1944. This was a Sten MkII with an integrally suppressed barrel. The barrel was just 3.75 inches long, with six vent holes drilled just in front of the chamber to reduce muzzle velocity below the speed of sound. The silencer itself was about 12 inches long, with an initial expansion chamber and 18 baffles.
Since the vented barrel reduced recoil energy of the cartridge, the bolt was reduced in weight by about 15% and the recoil spring shortened just slightly as well, to ensure proper cycling. The result was formally designated the Sten MkII(S). It retained the selective fire capability of the Sten, but was not to be used in automatic mode, as doing so could compress the baffles together and damage them. In total, 5,776 of these silent submachine guns were made. The design was followed by a more sophisticated Sten Mk6 (essentially a silenced Mk5), but remained in active use with the British military into the early 1970s.
Finding completely original and intact examples of the MkII(S) is extremely difficult today, and this one is a rare privilege to examine!
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February 18, 2022
Sudayev’s PPS-43: Submachine Gun Simplicity Perfected
Forgotten Weapons
Published 31 Aug 2017The PPS-43, designed by Alexei Sudayev based on a previous submachine gun design by I.K. Bezruchko-Vysotsky, was the Soviet replacement for the PPSh-41. The Shpagin submachine gun was a very effective combat weapon, but was time-consuming to produce and required specialized manufacturing tools. The Soviet military wanted a weapon that was cheaper and faster to make, and which could be produced at small shops not experienced in firearms production. The Sudayev design fit these criteria extremely well, being made almost entirely of simple bent metal components.
Production of the first prototype Sudayev submachine guns begin in 1942 in the besieged city of Leningrad, where guns were quite literally taken from the factory door to the front lines and put into service. A few minor flaws were discovered and corrected, and by the time the siege was broken the gun was suitable for mass production. It was designated the PPS-43, and while it was theoretically a replacement for the PPSh-41, it never did actually replace the former weapon. It was decided to continue PPSh-41 production in the factories already tooled up for it, while making use of the PPS-43’s simplicity to put it into production as a range of new factories that did not have the technical capacity to make more complex weapons.
Mechanically, the PPS-43 was a simple blowback gun, using basically the same conceptual operating system as the PPSH-41. However, Sudayev resolved the most significant practical problem with the PPSH-41 by abandoning its unreliable drums and developing his own new double-stack, double-feed 35-round box magazine. The PPS-43 magazine is simpler to load, more reliable in use, and much smoother to insert and remove from the weapon than PPSh magazines. The improvement was substantial enough to justify the use of different and incompatible magazines in the two guns. In conjunction with the discarding of the drum magazine, Sudayev also designed his gun to have a lower rate of fire than the PPSh, to better manage ammunition supply. However, the roughly 600 rpm rate of the PPS-43 is actually relatively difficult to control in that light weapon, where the PPSh-41 was substantially smoother shooting despite (or perhaps because of) firing faster.
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Русская версия: https://youtu.be/TZxgn4iVMbg
February 12, 2022
Stemple 76/45 + Russian Lend-Lease Thompson Kit = STG-M1A
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The modularity and clever design of the Stemple Takedown Gun is perhaps best illustrated by the STG-M1A and STG-1928 (these are the same gun with either a horizontal or vertical front grip). In the early 2000s a bunch of Thompson parts kits came into the US, WW2 vintage lend-lease guns sent to Russia. They were M1 and M1A1 models, and had intact barrels but torch-cut receivers. BRP, who makes the Stemple, realized that the sear-to-magwell dimensions on the Thompson were almost identical to the Suomi and Stemple — and that he could make a version of the STG that was a nearly perfect clone of the M1 Thompson.
The registered Stemple receiver slides into a square Thompson lookalike housing, and original Thompson grips, stocks, and hand guards are used. It is chambered for .45ACP, using original Thompson stick magazines (naturally). The result is a submachine gun that almost perfectly duplicates the handling of a true Thompson, without the historical value that makes the Thompson so expensive and keeps many owners from wanting to actually take their Thompsons out to the range.
Note that the gun in this video is an early example, and models made today are able to take both stick and drum magazines. Also, due to the design of the disconnector in the original Thompson FCG, the semiauto setting is not functional in the Stemple version — it’s only full automatic.
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January 30, 2022
Engineer’s Delight: Stemple 76/45 Becomes the Stemple Takedown Gun
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The saga of how the original Stemple 76/45 became the Stemple Takedown Gun is a fantastic story of engineering design choices.
Essentially, John Stemple began by building a rather crude copy of the Swedish K in .45 ACP in the mid 1980s, called the Stemple 76/45. He produced and registered 2,000 transferrable receivers for the gun (pre-1986), but only built them slowly, a few at a time. In the late 1980s he faced criminal charges from ATF, and transferred the receivers to a friend while he (successfully) fought the charges. When he went to get the receivers back, his friend refused, and the two entered into a nearly decade-long legal battle over them.
By the time Stemple eventually won the case, he recovered about 900 transferrable tubes. By this time (circa 2000) these tube receivers were much more valuable than when he first made them, as the machine gun registry was closed in 1986 and new ones can no longer be made. At this point, Stemple reached out to Brian Poling (BRP Corp) to act as a subcontractor to make the parts for the Stemple 76/45. But Poling had a better idea …
Poling’s thought was to instead design a new gun that would be much more desirable as a recreational gun than the 76/45. He envisioned something controllable, low recoil, and using large drum magazines. Such a gun would be a lot more fun at the range than the MACs and Uzis that tended to dominate the submachine gun market at the time. In addition, Poling’s gun would be designed specifically to protect the irreplaceable registered receiver tubes from wear or damage. The result was the STG-76 — the Stemple Takedown Gun.
In order to remain legal, the STG-76 had to leave the original 76/45 receiver tube cutouts unmodified, so as not to change the configuration of the receiver itself. Poling designed a replaceable internal trunnion and slip-over magazine well, allowing multiple different calibers and magazine configurations. The internals were closely based on the Finnish kp31 Suomi, for which parts kits became readily available in the early 2000s. This also facilitated the use of Suomi 71-round drum magazines. The original STF-76 design also included a bipod for easy shooting, and a grip and stock from an HK91 or CETME Model C for comfortable handling (instead of the terrible metal strut stocks common to most budget SMGs).
Several other interesting configurations would follow (stay tuned for those videos), and the guns remain available brand new to this day. The original supply of receivers is sufficient for production until about 2023 …
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January 12, 2022
Soviet PPD-40: Degtyarev’s Submachine Gun
Forgotten Weapons
Published 28 Aug 2017Degtyarev’s PPD-40 was the first submachine gun adopted on a large scale by the Soviet Union. Its development began in 1929 with a locked breech gun modeled after Degtyarev’s DP light machine gun, but evolved into a much simpler blowback system. It was accepted as the best performing gun of 14 different submissions in Soviet trials of 1931/2, and first entered production in 1934. In this form, it used a 25 round curved stick magazine, and was chambered for the 7.62x25mm cartridge. In 1938 Degtyarev made a number of changes, most importantly developing a drum magazine based on the Finnish Suomi m31 drum. The PPD-38 drum had a short section of feed tower to allow the gun to use either drums or stick magazines, and this was dropped with the final iteration in 1940 when the gun was again changed, this time to accept only 71-round drum magazines of the m31 type.
The PPD-40 finally entered serious production in 1940, with just over 81,000 made. This production would continue into early 1941 with another roughly 6,000 made before it was replaced by the faster-to-produce PPSh-41 submachine gun. The PPD-40 was a relatively heavy SMG at 12 pounds (5.45 kg) unloaded, and with a rate of fire of approximately 900 rounds per minute. This particular example was captured and used by the Finnish military, and appears to have a PPD38 bolt in it.
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January 2, 2022
The Schmeisser MP41: A Hybrid Submachine Gun
Forgotten Weapons
Published 2 Sep 2017Most people think that the MP41 is simply an MP40 in a wooden stock, but this is actually not the case — and unlike the MP40, the MP41 can be accurately called a Schmeisser — because it was Hugo Schmeisser who designed it.
The MP41 is actually a combination of the upper assembly of an MP40 with the lower assembly of an MP28 — the gun which was Schmeisser’s improved version of the MP18 from World War One. Where the MP40 fires only in fully automatic mode, the MP41 has a push-through selector switch located above the trigger which allows either semi-auto or full auto function.
For the typical user, however, this mechanical distinction is not particularly important, as the MP41 handles very much like the MP40. It has the same relatively low 500 rpm rate of fire, and weighs about 8.2 pounds (3.7kg). It uses the same magazines as the MP40, although the magazines made and sold with the MP41 were marked “MP41”. As with many other SMG designs, the MP41 was never formally adopted by the German military. In this case, the majority of MP41 production (26,000 guns in 1941 and another 1,800 or so in 1944) went to Romanian troops.
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December 11, 2021
Suppressed OSS M3 Grease Gun and Bushmaster Booby Trap Trigger
Forgotten Weapons
Published 9 May 2017Today, we have a chance to take a look at a suppressed M3 “Grease Gun”, as purchased and issued by the Office of Strategic Services (the OSS; predecessor to the CIA). Thanks to its readily removable barrel, the M3 (and M3A1) submachine gun was an easy gun to adapt to use with a suppressor (or as it was called at the time, a silencer). During World War 2, such a unit was developed for clandestine use by OSS and British SOE agents in occupied Europe, and they would see use for many decades in all manner of conflicts.
The suppressor itself is quite different than modern designs, being a two-part device using tight wire mesh instead of baffles. The barrel itself is heavily perforated, and extends only through the large diameter section of the suppressor. Around it is wrapped a large roll of wire mesh, which acts as an expansion chamber to slow down the exit of gas from the muzzle. The smaller front section of the unit is filled with small discs of the same wire mesh, similar to wipes but made of mesh.
Allegedly, the suppressor was effective enough to reduce the noise of the gunshots below the level of the action cycling, which is all that one can reasonable want from a suppressor. This particular example has an excellent provenance, having been provided by OSS to a European resistance fighter for a specific mission right at the end of WW2.
In addition, we also have a piece of the OSS sneaky tricks catalog to see. Specifically, a “Bushmaster” remote trigger mechanism to allow the M3 (silenced or otherwise) to be made into an autonomous booby trap in conjunction with a time delay, tripwire, or other triggering device.
Many thanks to the anonymous collector who let me take a look at this piece and bring you a video on it!
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