The best MSR loads begin with the best ignition. Gold Medal AR Primers are manufactured to exacting tolerances with the best components and built to meet the precise needs of MSR shooters. Specifications: Purpose: Rifle Series: Premium Unit of measure: PK Type: Rifle AR Match Material: Brass Size: Small AR Rifle Style: Small AR Match Gun Type: Rifle Caliber or Gauge: .205 Quantity: 1000 Recommended Usage: Reloading