Forster Headspace Gauges are essential for measuring chamber length, crucial for safety and accuracy when chambering a new barrel or buying a used gun.
The gauges are made to SAAMI specs with the .257 Roberts GO Gauge being .0005 inch under 7.62 NATO NO-GO dimensions for safety.
Gauges are machined steel, vary by caliber and gauge style, and are interchangeable between calibers sharing the same stock number.
Attributes
Cartridge:
257 Roberts,7 mm Mauser (7 x 57 mm Mauser)
Style:
Go Gauge
Delivery weight: 0.041kg