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History/Military Троя и троянцы. Боги и герои города-призрака
History/Military The Collapse Of The Democratic Presidential Majority: Realignment, Dealignment, And Electoral Change From Franklin Roosevelt To Bill Clinton (Transforming American Politics)
History/Military Ernesto "Che" Guevara (The Great Hispanic Heritage)
History/Military Luger Accessories
History/Military Congress, Progressive Reform, and the New American State
History/Military Battle in the Baltics 1944-45: The Fighting for Latvia, Lithuania and Estonia, a Photographic History
History/Military Native Vote: American Indians, the Voting Rights Act, and the Right to Vote
History/Military The Martinsyde Elephant (Profile Publications Number 200)
History/Military The M.Bloch 151 & 152 (Profile Publications Number 201)
History/Military The Douglas A-20 (7A to Boston III) (Profile Publications Number 202)
History/Military The Heinkel He 162 (Profile Publications Number 203)
History/Military Democracy without Competition in Japan: Opposition Failure in a One-Party Dominant State
History/Military Globalization of Capital and the Nation-State: Imperialism, Class Struggle, and the State in the Age of Global Capitalism
History/Military Performances of the Sacred in Late Medieval and Early Modern England (Repost)
History/Military Demography and Roman Society (Ancient Society and History)
History/Military Reducing Poverty Through Growth And Social Policy Reform in Russia (Directions in Development)
History/Military Screening Politics; The Politician in American Movies, 1931-2001
History/Military Between Self-Determination and Dependency: Jamaica's Foreign Relations 1972-1989
History/Military Political Psychology: Key Readings
History/Military Anglo-Norman Studies 24: Proceedings of the Battle Conference 2001
History/Military The Collapse Of The Democratic Presidential Majority: Realignment, Dealignment, And Electoral Change From Franklin Roosevelt To Bill Clinton (Transforming American Politics)
History/Military Ernesto "Che" Guevara (The Great Hispanic Heritage)
History/Military Luger Accessories
History/Military Congress, Progressive Reform, and the New American State
History/Military Battle in the Baltics 1944-45: The Fighting for Latvia, Lithuania and Estonia, a Photographic History
History/Military Native Vote: American Indians, the Voting Rights Act, and the Right to Vote
History/Military The Martinsyde Elephant (Profile Publications Number 200)
History/Military The M.Bloch 151 & 152 (Profile Publications Number 201)
History/Military The Douglas A-20 (7A to Boston III) (Profile Publications Number 202)
History/Military The Heinkel He 162 (Profile Publications Number 203)
History/Military Democracy without Competition in Japan: Opposition Failure in a One-Party Dominant State
History/Military Globalization of Capital and the Nation-State: Imperialism, Class Struggle, and the State in the Age of Global Capitalism
History/Military Performances of the Sacred in Late Medieval and Early Modern England (Repost)
History/Military Demography and Roman Society (Ancient Society and History)
History/Military Reducing Poverty Through Growth And Social Policy Reform in Russia (Directions in Development)
History/Military Screening Politics; The Politician in American Movies, 1931-2001
History/Military Between Self-Determination and Dependency: Jamaica's Foreign Relations 1972-1989
History/Military Political Psychology: Key Readings
History/Military Anglo-Norman Studies 24: Proceedings of the Battle Conference 2001
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History/Military The Bolt Action Vol. 1
Posted on 2010-03-16
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More The Bolt Action Vol. 1 By Stuart Otteson The detailed inner workings of the bolt action remain unfamiliar to many shooters, despite its long history as a military and sporting arm. Exactly what distinguishes it as a breech mechanism? Other actions seat, lock, and fire the cartridge, and then extract and eject the empty case as does the bolt act ion. One is tempted to conclude that it is the lockup, where rotation engages locking projections of the bolt and receiver. Yet, many other action types have also utilized the turning bolt. Examples include the gas-operated Garand MI, the straight-pull Canadian Ross, and the lever-action Model 88 Winchester. What defines the bolt action is the unique combination of the turning bolt and an integral operating handle which allows the direct application of pressure in proportion to the situation. Thus, not only is great power available, but it is under the complete control of the shooter. A 2 to 2% inch knobbed handle gives the operator leverage to turn the bolt. This leverage is in turn multiplied by the internal cams. Since bolt-knob movement over a quarter-turn usually exceeds 3 inches, and seating and extracting a cartridge and cocking a firing unit involve only fractional displacements, considerable power is possible, without intermediate linkage. The internal helical-cut cams permit the bolt and firing unit to act as lead screws during part of the opening and closing cycles, producing small but powerful axial displaiements... Few draftsmen have so clearly and economically delineated firearms mechanisms. The drawings exemplify the study; they are done by working from the guns, not factory drawings, old blueprints or catalogs. In this book you will find lock times, spring rates and cam angles plus considerable historical content.
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