Top takeaways

  1. The GO gauge provides the SAMMI-recommended minimum chamber depth to ensure a firearm is safe to fire.
  2. It is important not to mix and match brands of headspace gauges to avoid inaccurate readings due to tolerance stacking.
  3. Manson Precision headspace gauges are precision-ground, hardened, and made of M7 high speed steel for durability.

Attributes

Cartridge: 221 Remington Fireball Style: Go Gauge Delivery weight: 0.016kg

Item details

Made in USA