Hinderer HMBS Modular Backspacer System

The Hinderer Knives HMBS, short for Hinderer Modular Backspacer System, includes all necessary components to convert your XM-18 from standard standoffs to a refreshing new look. Another way to enhance your Hinderer, the Basic HMBS Kit can be combined with several other Hinderer accessories to truly transform your Hinderer to match your style.