Wilhelm Brenneke | |
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 Wilhelm Brenneke | |
| Born | March 30, 1865 |
| Died | November 4, 1951 (aged 86) |
| Nationality | German |
| Occupation | ammunition designer |
Wilhelm Brenneke was a German inventor of smallarms ammunition, including the Brenneke shotgun slug. He was born in 1865 in Hanover and died in 1951, from natural causes. The Brenneke company remains in his family's hands and is still successful. [1] [2]
At the start of the 20th century Brenneke was experimenting with the engineering concept of lengthening and other dimensional changes regarding standard cartridge cases like the M/88 cartridge case, then used by the German military in their Mauser Gewehr 98 rifles, to obtain extra muzzle velocity.
In 1912 Brenneke designed the commercially rather unsuccessful 8×64mm S cartridge de novo (the 8×64mm S has no other cartridge as parent case). This cartridge is an example of a de novo rifle cartridge intended as a ballistic upgrade option for the Mauser Gewehr 98 rifles that were then standard issue in the German military. The exterior cartridge case dimensions like overall length and slightly larger case head diameter compared to the German 8×57mm IS military cartridge coupled with a moderate increase in maximum pressure were chosen with easy conversion of Gewehr 98 rifles for the 8x64mm S in mind. The German military chose however to stick to their 8×57mm IS rifle cartridge avoiding rechambering their service rifles for a cartridge that due to its more favourable bore area to case volume ratio ballistically would outperform the .30-06 Springfield cartridge of the United States Army. Brenneke's engineering concept to enlarge exterior cartridge case dimensions compared to the German 8×57mm IS military cartridge case coupled to an increase in maximum pressure to create new for those days very powerful cartridges was essentially sound and he persisted in the development of new cartridges along this line.
Besides the 8×64mm S Brenneke also developed a 8×64mm variant suitable for use in a differing 8 mm bore. Rifles chambered for the 8×64mm sport the earlier tighter 8.07 mm (.318 in) I-bore as found in the 8×57mm I.
In 1914 Brenneke introduced rimmed variants for break action rifles of the 8×64mm S and 8×64mm rimless variants. These rimmed variants are known as the 8×65mRS and 8×65mmR.
In 1917 Brenneke necked down his 8x64mm S design of 1912 to 7 mm calibre and introduced it as 7×64mm and achieved a major commercial success. The 7×64mm offered 10 to 12% extra muzzle velocity over the 7×57mm producing a flatter trajectory and greater long range performance. In the years between World War I and World War II the 7×64mm was often regarded by German hunters as a “miracle cartridge” and dozens of different factory loads were available on the German market. It was that highly regarded the German Wehrmacht (Army) during the 1930s even considered replacing the 8×57mm IS in favour for the 7×64mm for their snipers. The Wehrmacht decided - just like the German army in 1912 - to stick to the 8×57mm IS cartridge for their Mauser Karabiner 98k to keep things as simple as possible in their logistical chain.
Beside the 7×64mm rifle cartridge Brenneke also designed a rimmed version for break action rifles of the cartridge in 1917. The rimmed 7×65mmR variant of the cartridge was also immediately a commercial success.
In 1927 Brenneke designed the 9.3×64mm Brenneke cartridge de novo (the 9.3×64mm Brenneke has no other cartridge as parent case). This big-game cartridge was commercially introduced in 1927 and is the most powerful cartridge Brenneke designed. The 9.3×64mm Brenneke was designed to have the largest possible case capacity without any shape or dimensional drawbacks that would hamper its chambering and perfect functioning in Mauser M 98 bolt actions used in the Gewehr 98 rifles that were then standard issue in the German military.
In the 21st century the Russian military developed the semi-armour-piercing 9SN cartridge for the 9.3×64mm Brenneke SVDK variant of the Dragunov sniper rifle. This cartridge has a 16.6 g (256 gr) pointed boat-tailed FMJ bullet with steel core and achieves a muzzle velocity of 770 m/s (2520 ft/s). The 9SN cartridge should be able to defeat body armor at ranges up to 600 metres (660 yards). [3]
The Karabiner 98 kurz, often abbreviated Karabiner 98k, Kar98k or K98k and also sometimes incorrectly referred to as a K98, is a bolt-action rifle chambered for the 7.92×57mm Mauser cartridge. It was adopted on 21 June 1935 as the standard service rifle by the German Wehrmacht. It was one of the final developments in the long line of Mauser military rifles.
Mauser, originally the Königlich Württembergische Gewehrfabrik, was a German arms manufacturer. Their line of bolt-action rifles and semi-automatic pistols was produced beginning in the 1870s for the German armed forces. In the late 19th and early 20th centuries, Mauser designs were also exported and licensed to many countries, which adopted them as military and civilian sporting firearms. The Gewehr 98 in particular was widely adopted and copied, and it is the foundation of many of today's sporting bolt-action rifles.
The 7×57mm Mauser is a first-generation smokeless powder rimless bottlenecked rifle cartridge. It was developed by Paul Mauser of the Mauser company in 1892 and adopted as a military cartridge by Spain in 1893. It was subsequently adopted by several other countries as the standard military cartridge, and although now obsolete as a military cartridge, it remains in widespread international use as a sporting round. The 7×57 Mauser was a popular stalking cartridge and sporting rifles in this chambering were made by the famous British riflemakers, such as John Rigby, Holland and Holland, Westley Richards and others. British cartridge nomenclature designated caliber in inches, and the cartridge was known as the .275 bore after the measurement of a 7 mm rifle's bore across the lands. The cartridge is sometimes erroneously referred to as the ".275 Rigby", However, the original John Rigby & Sons never referred to the cartridge by that name, nor did any of UK gun trade; the Rigby association is a misconception attributed to modern American gun writers.
The Gewehr 98 is a bolt-action rifle made by Mauser for the German Empire as its service rifle from 1898 to 1935.
The 9.3×62mm is a rimless, bottlenecked rifle cartridge designed in 1905 by German gunmaker Otto Bock. It is suitable for hunting medium to large game animals in Africa, Asia, Europe, and North America. At a typical velocity of 720 m/s (2362 ft/s), its 286 gr standard load balances recoil and power for effective use at 250m to 300m. The C.I.P. Maximum Average Pressure (MAP) for the 9.3×62mm is 390.00 MPa (56,565 psi).
The 8×60mm S is a rimless bottlenecked centerfire cartridge of German origin, dating back to the interbellum period between World War I and World War II. The bore has the same dimensions as the German 7.92×57mm Mauser service cartridge. The 8×60mm S can, due to its 83.6 mm (3.291 in) overall length, easily be chambered in standard sized Mauser 98 bolt-action rifles. In such military M98 bolt actions internal magazine boxes feature a magazine length of 84 mm (3.307 in).
The 7.92×57mm Mauser is a rimless bottlenecked rifle cartridge. The 7.92×57mm Mauser cartridge was adopted by the German Empire in 1903–1905, and was the German service cartridge in both World Wars. In its prime, the 7.92×57mm Mauser cartridge was one of the world's most popular military cartridges. In the 21st century it is still a popular sport and hunting cartridge that is factory-produced in Europe and the United States.
The .375 H&H Magnum, also known as .375 Holland & Holland Magnum, is a medium-bore rifle cartridge introduced in 1912 by London based gunmaker Holland & Holland. The .375 H&H cartridge featured a belt to ensure the correct headspace, which otherwise might be unreliable, given the narrow shoulder of the cartridge case. The cartridge was designed to use cordite which was made in long strands – hence the tapered shape of the case, which, as a beneficial side effect also helped in smooth chambering and extraction from a rifle's breech.
The Gewehr 88 was a late 19th-century German bolt-action rifle, adopted in 1888.
The 8×68mm S rebated rim bottlenecked centerfire rifle cartridge was developed in the 1930s by August Schüler of the August Schüler Waffenfabrik, Suhl, Germany as a magnum hunting cartridge that would just fit and function in standard-sized Mauser 98 bolt-action rifles. The bore has the same lands and grooves diameters as the German 7.92×57mm Mauser service cartridge. This is one of the early examples where a completely new rifle cartridge was developed by a gunsmith to fit a specific popular and widespread type of rifle.
The 6.5×68mm rebated rim bottlenecked centerfire rifle cartridge and its sister cartridge the 8×68mm S were developed in the 1930s by August Schüler from the August Schüler Waffenfabrik, Suhl, Germany as magnum hunting cartridges that would just fit and function in standard-sized Mauser 98 bolt-action rifles. This is one of the early examples where a completely new rifle cartridge was developed by a gunsmith to fit a specific popular and widespread type of rifle.
The spitzer bullet is a pointed projectile that is primarily used in small-arms. The pointed nose shape, which was developed for military purposes in the late 19th and early 20th century, was a major design improvement compared to earlier rounder or flatter-tipped bullets because pointed nose shapes were less susceptible to external ballistic factors like drag. By adding a point, projectiles made for fully-powered and intermediate rifle cartridges obtain a lower drag coefficient, which makes them decelerate less rapidly. Lowering the drag coefficient leads to improved external ballistic behaviour.
The 7×64mm is a rimless bottlenecked centerfire cartridge developed for hunting. As is customary in European cartridges, the 7 denotes the 7 mm bore diameter and the 64 denotes the 64 mm (2.5 in) case length. The 7×64mm is a popular hunting cartridge in Central Europe due to its 11.95 mm (0.470 in) case head diameter and 84 mm (3.3 in) overall length allowing it to easily be chambered in the Mauser 98 bolt-action rifle that was once standard German military issue.
The 9.3×64mm Brenneke is a rimless bottlenecked centerfire rifle cartridge designed in 1927 by German gunmaker Wilhelm Brenneke. It is suitable for hunting medium to large game animals in Africa, Asia, Europe, and North America.
The 8×64mm S is a rimless bottlenecked centerfire cartridge developed as a military service round for the German Army who never issued it. As is customary in European cartridges the 8 denotes the 8 mm bullet caliber and the 64 denotes the 64 mm (2.52 in) case length.
The 7.65×53mm Mauser is a first-generation smokeless powder rimless bottlenecked rifle cartridge developed for use in the Mauser Model 1889 rifle by Paul Mauser of the Mauser company. It is also known as 7.65×53mm Argentine, 7.65×53mm Argentine rimless, 7.65mm Argentine, 7.65×53mm Belgian Mauser, 7.65mm Belgian, and 7.65×53mm Mauser.
The Mauser Model 1889 is a bolt-action rifle of Belgian origin. It became known as the 1889 Belgian Mauser, 1890 Turkish Mauser, and 1891 Argentine Mauser.
The Patrone 88 or M/88 is a rimless bottlenecked rifle cartridge. It was a first-generation smokeless propellant cartridge designed by the German Gewehr-Prüfungskommission (G.P.K.) as the then new smokeless propellant introduced as Poudre B in the 1886 pattern 8×50mmR Lebel started a military rifle ammunition revolution.
The .276 Enfield (7×60mmRB) was an experimental rebated rim tapered bottlenecked centerfire military rifle cartridge developed in conjunction with the Pattern 1913 Enfield (P'13) rifle. Development was discontinued by the onset of World War I.
The Standardmodell rifle is a bolt-action rifle designed to chamber the 7.92×57mm Mauser cartridge. The rifle was developed in 1924 but entered full-scale production in 1933. Officially designed for export and German security guards, it was used by the paramilitary Sturmabteilung (SA) and Schutzstaffel (SS). Export variants were used in South America, Ethiopia, China and the Iberian Peninsula. The carbine version of this rifle was almost identical with the Karabiner 98k that became the standard German service rifle during World War II.
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