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JP Semi-Auto Case Gauge
6.5 Grendel

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 chamber without interference.

Take comfort that your ammo will never hold you back.


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


Product Instructions

Price: $42.95