Panzer Arms 00 Buckshot UPC 8680825410417 00 Buckshot 12 Gauge 2 3/4" 9 Ball 1350 FPS 250 Round Case Panzer Arms Buckshot 200 Round Case. This 2.75" 00 buckshot 12 gauge shotgun ammunition is great for home defense and sport shooting. This comes in a case of 250 rounds.