i just talked to a fellow that has a suppressed subgun. it was fitted with a really good muffler. anyway he was shooting somebody elses reloads. evidently there were a couple without powder and with the muffler on they didn't notice the sound difference on the first shot,but fortunately were curious enuf on the 2nd as to why the gun misfunctioned to investigate. that could have the costly error on a 1928. just something special to be aware that can happen