In this video I go over my 3D printable Mossberg 500 followers (12 gauge) and how to install one in your Mossberg. If you're interested in purchasing one for yourself, head over to https://gunnymcgunsmith.com to buy in your choice of color and style.
Want to print your own? All of my followers are distributed via open source license. Find the files (including a read me that will guide you through how to print them) here: https://gunnymcgunsmith.com/release-1-0-of-gunnymcgunsmith-designed-3d-printable-gun-parts/