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Категория Военная история | Дата: 15-07-2012, 10:24
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Gewehr G3

Название: Gewehr G3. Ich erlasse die Zentrale Dienstvorschrift
Издательство: Bundesministerium der Verteidigung. Bonn
Страниц: 153
Формат: PDF
Размер: 23 Мб
Качество: Хорошее
Год: 1978
Язык: немецкий

The G3 is a 7.62mm battle rifle developed in the 1950s by the German armament manufacturer Heckler & Koch GmbH (H&K) in collaboration with the Spanish state-owned design and development agency CETME (Centro de Estudios Técnicos de Materiales Especiales).
The G3A3 (A4) is a selective-fire automatic weapon that employs a roller-delayed blowback operating system. The two-piece bolt assembly consists of a breech (bolt head) and bolt carrier. The bolt is held in battery by two sliding cylindrical rollers that engage locking recesses in the barrel extension (popularly called a "trunnion"; BATF calls this a "mounting block"). The breech is opened when both rollers are compressed inward against camming surfaces driven by the rearward pressure of the expanding gases upon the bolt head. As the rollers move inward, recoil energy is transferred to the locking piece and bolt carrier which begin to withdraw while the bolt head slowly moves rearward in relation to the bolt carrier.

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