Thanks so much for stopping by Blue Mountain Supply LLC. Our mission is to supply rare, high-quality, and high-end parts for all types of firearms. We focus on H&K, Sig, Glock, FNH, along with many other brands. Along with firearm parts we also carry optics, lights, magazines, surplus/Police trade-in equipment. Whether you are looking to buy rare parts for your gun or you/your agency is looking to get rid of old inventory, Blue Mountain Supply can help you.