- 4 Caliber Auto Case Gauge Ammo Checker (9mm, 40 S&W, 45 & 38 calibers)Our Case Gauge Ammo Chamber Checkers are machined from solid 6061 T6 aircraft grade aluminum. Our gauges are made to SAAMI miniumum spec. While some companies use boring bars to make chamber ... 70100
$25.00 - Cowboy Case Gauge (.357, .44-40, .44 Mag, .45 Long Colt)Our Case Gauge Ammo Checkers are machined from solid 6061 T6 aircraft grade aluminum.Our gauges are made to SAAMI miniumum spec.While some companies use boring bars to make chamber checkers, we ... 70170
$25.00 - 4 Caliber Auto Case Gauge Ammo Checker (9mm, 40 S&W, 45 & 38 calibers) With Cosemetic BlemishesOur Case Gauge Ammo Chamber Checkers are machined from solid 6061 T6 aircraft grade aluminum. Our gauges are made to SAAMI miniumum spec. While some companies use boring bars to make chamber ... BB70100
$15.00