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Helps Prevent Ammo-Related Malfunctions

Optimized for semi-automatic rifles, the second generation JP Semi-Auto Case Gauge guaranties function of your ammo. If it fits our gauge, it will fit even a minimum-depth SAAMI chamber without interference.

Features:

  • Specially calibrated to ensure function in semi-auto rifles
  • Guaranties ammo fit in a minimum-spec SAAMI chamber
  • 416 stainless steel construction for wear resistance and greater longevity


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Cartridge: 223 Wylde

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Cartridge: 308 Winchester, 7.62 mm NATO