Purpose situation: Around the 3rd round I get a lightweight hammer strike. I have tried out both H2 and H3 buffer weights. H2 I used to be only finding 1 shot, H3 I now get two pictures off. I've tried this on two uppers, a single carbine and one particular https://cristianltkcz.nytechwiki.com/10712764/helping_the_others_realize_the_advantages_of_rare_breed_frt_trigger