100 Straight CSP Shotgun Choke and Barrel Micrometer Gage 12, 20, 28 Gauge, 410 Bore

Product #: 442252 100 Straight #: 04300BGR4
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This precision tool shows you to check all the critical dimensions that make a shotgun pattern well. Measures choke, bore diameter, chamber and forcing cone dimensions. Accurate to .001 of an inch. This 4 gage set includes 12, 20, 28 and 410 and comes packaged in a solid oak case with solid brass hardware. Comes with instruction and extensive information for American and foreign guns.

Technical Information

Material: Steel

  • 4 Gauges, 12, 20, 28, & 410
  • Solid oak case with brass hardware.
  • Instructions included for American and foreign guns.

  • Measures chokes, bore diameter, and chamber and forcing core diameter.
  • Accurate to .001"
  • Product Videos

    • 100 Straight Video
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