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Depiction of Auto-5 in 1909 catalog. The Browning Auto-5 was the first mass-produced semi-automatic shotgun. Designed by John Browning in 1898 and patented in 1900, [4] it was produced continually for almost 100 years by several makers with production ending in 1998. It features a distinctive high rear end, earning it the nickname "Humpback".
The Browning Double Automatic Shotgun is a short-recoil operated [2] semi-automatic (auto-loading) 12-gauge shotgun with a 2 + 3 ⁄ 4-inch chamber. The firearm was produced between 1952 and 1971, with production volume of approximately 67,000. Production date amended from 1955 to 1952 according to direct information from manufacturer.
28 gauge Germany: 2004 Browning Auto-5: FN Herstal: 12 gauge 16 gauge 20 gauge United States Belgium: 1898 Browning BSS: Browning Arms Company: 10 gauge 20 gauge Belgium: 1971 Browning BPS: Browning Arms Company: 10 gauge 12 gauge 16 gauge 20 gauge 28 gauge.410 bore Japan: 1977 Browning Citori: Miroku Corporation: 12 gauge 16 gauge 20 gauge 28 ...
This inertial release uses the recoil of a discharged round to unlock the breech. The action was designed to only unlock after firing or with the use of the slide release and not by dry firing like many modern shotguns. All model 520s were only offered in 12 gauge until 1928. [10] Stevens Model 520 (1920-1924)
The inline six-cylinder 71 series engine was introduced as the initial flagship product of the Detroit Diesel Engine Division of General Motors in 1938.. This engine was in high demand during WWII, necessitating a dramatic increase in output: about 57,000 6-71s were used on American landing craft, including 19,000 on LCVPs, about 8,000 on LCM Mk 3, and about 9,000 in quads on LCIs; and 39,000 ...
The Series 92 engines were introduced in 1974. [8] Compared to the Series 71 engines they were derived from, the Series 92 featured a larger bore of 4.84025 ± 0.00125 in (122.942 ± 0.032 mm) and an identical stroke of 5 in (130 mm) for a nominal displacement per cylinder of 92 cu in (1,510 cc), from which the Series 92 derives its name.
Designed by Wayne Leek and Robert Kelley, [2] [3] the Remington Model 1100 was introduced in 1963 as a successor to the Model 58 and Model 878 gas operated shotguns. [4] The Model 58 had supplanted the recoil operated Model 11-48, which retained the long recoil action of John Browning's original design, present in the Model 11 and the Browning Auto-5.
Over a period of time, Detroit Diesel continued to further evolve the design of the engine. They finally brought the engine up to 137.5 hp (102.5 kW) per cylinder and 406 lb⋅ft (550 N⋅m) torque per cylinder; needless to say, this is a considerable amount of power coming from 149 cu in (2.4 L) per cylinder.