Operate issue: Within the 3rd round I get a lightweight hammer strike. I've tried using equally H2 and H3 buffer weights. H2 I had been only receiving 1 shot, H3 I now get two shots off. I have tried using this on two uppers, just one carbine and a single https://setbookmarks.com/story20200628/5-tips-about-rare-breed-frt-trigger-you-can-use-today