Forster Headspace Gauges are essential for checking rifle chamber length when chambering a new barrel or purchasing a used gun, ensuring safety and accuracy.
The gauges are built to SAAMI specs with the .257 Roberts Field Gauge being .0005 inch under 7.62 NATO NO-GO dimensions for safety.
Machined Steel construction with interchangeable gauges for different calibers, including a wide range of cartridges from .219 Wasp to .458 Win.
Attributes
Cartridge:
257 Roberts,7 mm Mauser (7 x 57 mm Mauser)
Style:
Field Gauge
Delivery weight: 0.041kg