Operate issue: About the third round I get a light-weight hammer strike. I've tried using each H2 and H3 buffer weights. H2 I was only acquiring just one shot, H3 I now get two pictures off. I have experimented with this on two uppers, one particular carbine and just one https://nimmansocial.com/story10142217/not-known-factual-statements-about-frt