Grasshopper Posted July 24, 2021 Report Share Posted July 24, 2021 Hi All, I was out at the range today turning money into noise with the Bren. It is a 1940 JI gun. I've the gas regulator set on the smallest dot. From time to time it would double in semi. Could this be caused by under-gassing the gun? In short, how do you know you have the gas setting correct. I don't have any ejection problems with the smallest dot setting. Just some run-on in semi. Thoughts? Thanks, Grasshopper Link to comment Share on other sites More sharing options...
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