Top takeaways

  1. The GO gauge ensures SAMMI-recommended minimum chamber depth for safe firearm operation.
  2. Mixing brands of headspace gauges can lead to inaccurate readings due to tolerance stacking.
  3. Stick to one brand per caliber for consistency and use any brand of chambering reamer with any headspace gauge.

Attributes

Cartridge: 40 S&W Style: Go Gauge Delivery weight: 0.014kg

Item details

Made in USA