Every shotgun that has been inspected will be punch-marked on the bolt to indicate that the guns have been returned, checked, repaired if necessary and test-fired to ensure they are up to 100 percent.
每枝經過檢查的霰彈槍都會在枪栓上打上標記，表明該槍已經返廠、檢查、必要時進行修理並進行試射以確保其性能已達到100％。