It’s attainable that particular AR platforms would require added gunsmithing for proper operate, but that’s true of any aftermarket trigger that you can buy. If the Franklin Armory trigger doesn’t do the job appropriately following installation, they suggest acquiring an experienced gunsmith handle any necessary modifications into the gun alone. https://riveropnmi.blogvivi.com/33467227/the-2-minute-rule-for-binary-trigger-glock