100-Hole 40 S&W Long Chamber Checker Cartridge Case Gauge by Shock Bottle / Shockbottle 100-Hole 38 Super Comp / TJ / Rimless Chamber Checker Cartridge Case Gauge by Shock Bottle / Shockbottle Practical Pistol: Fundamental Techniques and Competition Skills By Ben Stoeger
100-Hole 45 ACP Chamber Checker Cartridge Case Gauge - Anodized Black - Shock Bottle Shockbottle Skills and Drills: For the Practical Pistol Shooter By Ben Stoeger 100 Hole 40 S&W Chamber Checker Cartridge Case Gauge