The Talley Modern Sporting (TMS) Ring is an innovative solution for your Picatinny rail system with a clean and simplified appearance. These picatinny scope rings are designed to work with any rail designed to MIL-STD-1913 picatinny rail specs. Machined from aircraft-grade alloy with a black anodized finish, the TMS Scope ring is gaining popularity in the firearms industry as the next great, cost-effective AR 15 Scope ring. Whether you have an aftermarket picatinny rail system on a modern sporting rifle or an AR-15-style rifle, these scope rings are designed to accommodate all shooters.