| 词条 | Armsel Striker |
| 释义 |
|name=Armsel Striker | image= Protecta-shotgun-p1030163.jpg | image_size = 360 |caption= |origin= South Africa |type= Combat shotgun, Riot control weapon |is_ranged=yes |service= 1993–present |used_by= South African National Defence Force Israeli Police |wars= |designer=Hilton R. Walker[1] |design_date=1981[1] |manufacturer= |production_date= |number= |variants= |weight=4.2 kg (empty) 4.4 kg (loaded) |length=792 mm (31.18 inch) 508 mm (20 inch) (stock folded) (with 12 in barrel) |part_length=191 mm (7.5 in) 305 mm (12 in) 356 mm (14 in) 470 mm (18.5 in) |width= |height= |crew= |cartridge=12 gauge |caliber= |action= Rotating cylinder |rate= |velocity= |range= |max_range= |feed=12-round revolving cylinder, 7-round cylinder on compact models. |sights=Removable optical sights on Armsel Striker and Protecta. Such sights are holographic, red dot and various others. Iron sights are on all variants. }} The Armsel Striker also known as the Sentinel Arms Co Striker-12, Protecta and Protecta Bulldog is a 12-gauge shotgun with a revolving cylinder that was designed for riot control and combat. HistoryThe Armsel Striker was designed by an ex-Rhodesian national, Hilton R. Walker, in 1981. Walker subsequently emigrated to South Africa, bringing with him the design for the Striker shotgun. His shotgun became a success, and was exported to various parts of the world. Even though it was successful, the shotgun still had its flaws. The rotary cylinder-type magazine was bulky, had a long reload time, and the basic action was not without certain flaws.[3] Walker redesigned his weapon in 1989, removing the cylinder rotation mechanism, and adding an auto cartridge ejection system. The new shotgun was named the Protecta.[2][3] A copy of the Striker was made by the US gunmaker Cobray and marketed as the SWD Street Sweeper from 1989 through 1993.[6] Design and featuresThe weapon's action is similar to that of a revolver, using a rotating cylinder. Since the Striker uses a conventional double action only trigger and a very large and heavy cylinder (compared to handguns), Walker added a pre-wound clock-work spring to revolve the magazine which proved to make loading the weapon slow, in exchange for a shorter and lighter trigger pull. The design was changed into having a cocking lever on the right side of the barrel.[4][5] The first designs were criticized as having a slow and cumbersome firing mechanism. The shells had to be individually loaded and then the drum wound by a clockwork mechanism. Shell ejection was by an ejector rod along the right hand side of the barrel. The last version has the clockwork winding mechanism removed, the ejector rod has been replaced by an automatic ejection system and in the rod's place is a cocking lever that winds the drum automatically. The Striker design has a twelve-round magazine capacity and short overall length. Compact variants have 7 rounds.[4][5][6] Availability in the United StatesThe Striker and Streetsweeper were declared destructive devices under the National Firearms Act with no sporting purpose by Treasury Secretary Lloyd Bentsen in 1994 and their transfer and ownership is regulated by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF).[7] Variants
See also{{Portal|South Africa|Weapons}}
References1. ^1 {{cite web|title=patent|url=http://www.google.pl/patents/US4426802|accessdate=1 May 2014}} 2. ^1 2 {{cite book|last=Cutshaw|first=Charles Q.|title=Tactical Small Arms of the 21st Century: A Complete Guide to Small Arms From Around the World|url=https://books.google.com/books?id=55szjc6g520C&pg=PA338|date=28 February 2011|publisher=Gun Digest Books|location=Iola, Wiosconsin|isbn=978-1-4402-2709-7|pages=338–339}} 3. ^{{cite book|last1=Jones|first1=Richard D.|last2=White|first2=Andrew|title=Jane's Guns Recognition Guide 5e|url=https://books.google.com/books?id=xNa3OtG25a0C&pg=PA355|date=27 May 2008|publisher=HarperCollins|isbn=978-0-06-137408-1|page=355}} 4. ^1 2 {{cite book|last=Wood|first=J B|title=The Gun Digest Book of Firearms Assembly/Disassembly Part V - Shotguns|url=https://books.google.com/books?id=Lo1IhoeGkTQC&pg=PA474|year=2002|publisher=Krause Publications|location=Iola, Wisconsin|isbn=978-0-87349-400-7|page=474}} 5. ^1 {{cite book|last=Lee|first=Jerry|title=Standard Catalog of Rifles & Shotguns|url=https://books.google.com/books?id=QLlG3aX7enAC&pg=PT1403|year= 2011|publisher=Gun Digest Books|location=Iola, Wisconsin|isbn=978-1-4402-3014-1|page=1403}} 6. ^{{cite book|author=United States. Bureau of Alcohol, Tobacco, and Firearms|title=Your guide to federal firearms regulation|url=https://books.google.com/books?id=nsbH1uRSGWsC|year=2000|publisher=Dept. of the Treasury, Bureau of Alcohol, Tobacco, and Firearms|page=109}} 7. ^{{cite book|last=Smith|first=Al|title=American Cultures: Readings in Social and Cultural History|url=https://books.google.com/books?id=fUjhpHSaVooC&pg=PA167|date=November 2007|publisher=Lulu Enterprises Incorporated|isbn=978-1-4357-0160-1|page=167}} 8. ^1 2 {{cite book|last=Walker|first=Robert E.|title=Cartridges and Firearm Identification|url=https://books.google.com/books?id=THQ1iG8fSG8C&pg=PT369|year= 2013|publisher=CRC Press|isbn=978-1-4665-8881-3|page=369}} 9. ^{{cite book|last=Larson|first=Erik|title=Lethal Passage: The Story of a Gun|url=https://books.google.com/books?id=FzV82AD3GlQC&pg=PA196|date=27 July 2011|publisher=Knopf Doubleday Publishing Group|isbn=978-0-307-80331-3|page=196}} External links{{Commons category|Armsel Striker 12}}
5 : Post–Cold War weapons of South Africa|Cold War military equipment of South Africa|Police weapons|Revolver shotguns|Shotguns of South Africa |
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