The utility model discloses a multi-purpose muzzledevice used in large caliber firearms, which comprises a coupling end, a recoil cavity and a vent provided with a baffle.
本实用新型公开一种大口径枪械用多功能膛口装置，包括连接端、制退 腔体和带有导流块的排气孔；
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This research result can provide a reliable basis for feasibility demonstration of the gun test machine with muzzle impact device.