Designed for the Smith & Wesson M&P M2.0 9mm and .40 Double Stack Magazines
Designed for the Ruger Security 9 9mm (all versions) and the SR9, SR9c, and 9E 9mm
Large side flanges and collar make for easy loading
3D Printed in the USA and very durable
Allows one hand to hold magazine and other to load bullets or simply rested on table and pushed down.