| 摘要 |
<p>Breechblock for automatic or semiautomatic weapons provided with fixed barrel and burstbox integral with the barrel, wherein the breechblock is provided with adjustable elastic means capable of opposing to the initial displacement of the breechblock in respect of the burstbox at the moment of the shooting, such means allowing the subsequent moving back of the breechblok in order to allow the ejection of the cartridge case, the cocking of the striker and the loading of a new cartridge.</p> |
