This has proven to be the most stable rail solution on the market as well as the most popular, and is easily installed on your gun in under 3 minutes. The high-grade, lightweight, glass-reinforced polymer ReCover can be installed without the need for a gunsmith, and requires no permanent modifications to be made to your firearm. The HPC is the most stable rail mount on the market and the added benefit of a Hi Power grip enhances the look of your firearm.