The .308 Match is our small primer version of the .308 Winchester case. Many competitive shooters prefer the consistent velocities produced by small rifle primers. Like all of our other small primer rifle cases, we utilize our standard .080" flash hole diameter, as we feel it gives better ignition with slower burning and harder to ignite powders, making it more user friendly than many of the small primer/small flash hole versions of this caliber*. *As with all types of cases this large with small primer pockets, it will require care in powder and primer selection in cooler temperatures to prevent hang fires. Single-based propellents are generally easier to ignite and a quality p Mfg: Starline