Rifle Magazine Insert - Double HK 417 The Spiritus Systems Micro Fight Magazine Insert is a custom solution to a common problem. Instead of using pull tabs, Velcro, snap flaps, or a hard Kydex insert; we have chosen to use something a little more versatile. Using elastic is very quiet when removing or adding magazines, giving you quick and easy access to your magazines while providing excellent retention. Elastic will not deform due to heat over time and although it will loosen some with use, it will still provide excellent retention of your magazines. The magazine insert is retained by hard loop Velcro sewn to both sides. This allows for the insert to fit in the front and Mfg: Spiritus Systems