Top takeaways
- Whidden Case Gauges help determine rifle headspace and check if it's within SAAMI specs.
- They can be used to measure headspace for both factory ammo and hand loads compared to your chamber.
- The gauges assist in adjusting resizing dies for optimal shoulder setback during sizing.
Attributes
- Cartridge:
6.5 mm BR (Benchrest)
,20 BR (Benchrest)
,30 BR (Benchrest)
,7 mm BR (Benchrest) Remington
,22 BR (Benchrest) Remington
,6 mm BR Norma
- Delivery weight: 0.136kg
- Shipping height: 25mm
- Shipping width: 127mm
- Shipping length: 216mm




