Samson Manufacturing Vertical Grips are renowned in the shooting world for their quality. Constructed from high-quality precision-machined aluminum, these grips are built to withstand the rigors of intense use. When it comes to installation, they excel in simplicity. With their tool-less installation mechanism, you can effortlessly attach or detach the grip to your firearm without the need for any specialized tools. This system allows for quick and hassle-free modifications. FEATURES: Material: 6061-T6 aluminum or Polymer depending on model Finish: Black MIL-A 8625 type III class 2 anodizing Made in Keene, New Hampshire, USA SHORT: 2.125" MEDIUM: 3.50" LONG: 4.20"