Ergo MSR Grip Black. These an AR15 Lower Parts manufactured by the experts at ERGO feature an integral rear upper extension that supports the web of the shooter's hand. The Ergo MSR Grip is perfect for shooters looking for an easy bolt on upgrade for their standard AR grip. Specifications for Ergo Grip Modern Sporting Rifle Grips: Manufacturer: ERGO Finish: Textured Gun Make: AR Platform Material: Polymer Fabric/Material: Polymer Included Accessories: Installation Hardware Pack Features of Ergo MSR Grip: Ergonomic shape texture for excellent control and comfort Custom textures available for rifle manufacturers Integral rear upper extension supports the web of the shooter's hand Package Contents: Ergo Grip Modern Sporting Rifle Grips Gapper Installation hardware Ergo Grip 4092: Pro OE Grip Black