-M15x1.5 -Used in combo unit 913600-009 -Sold individually 2017-2020 Range Alloy 2017-2020 Range Carbon 2019 Sight Carbon VLT 2019 Revolver Carbon FS 2020 Sight Alloy MKIV 2020-2021 Sight Carbon VLT 27.5 & 29 2020 Sight Alloy VLT 29 2020-2021 Range Carbon VLT 27.5 2020 Revolver Carbon FS 2020-2022 Sight Carbon 2021 Revolver Carbon FS 2021-2022 Sight Alloy 2021 Shore HP (@ HP location)