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Abstract
Aiming at the requirement of a 30% reduction in the recoil of the automatic shotgun, the researchers investigated the various thicknesses of the stock rubber, the different hardness of the stock rubber, and the floating buffer mechanism of the gun body. Researchers also conducted the recoil test and comparison to determine the structural scheme for recoil reduction. The test results indicate that the recoil force of the automatic shotgun is reduced by 51.9% compared with that of a fixed shotgun when using NBR (nitrile rubber buna) with a thickness of 20 mm and a hardness of 20 Shore hardness. The technical measures adopted are effective and can meet the requirements of the specified technical indicators.
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Details
1 State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology , Beijing 100081, China; National Key Laboratory of Transient Impact , Beijing 102202, China
2 National Key Laboratory of Transient Impact , Beijing 102202, China