Operate difficulty: About the third round I get a light-weight hammer strike. I've tried both H2 and H3 buffer weights. H2 I was only finding one shot, H3 I now get two photographs off. I have tried out this on two uppers, a single carbine and one pistol, but using https://eduardoskaqg.bimmwiki.com/11088070/how_much_you_need_to_expect_you_ll_pay_for_a_good_frt_15l3