The Forster Products, Inc. 303 British Field Gauge is essential for measuring the chamber length of rifles to ensure safety and accuracy, particularly when chambering a new barrel or purchasing a used firearm.
These gauges are made to SAAMI specs and the 100-010-715 gauge is 0.0005 inches under 7.62 NATO NO-GO dimensions for safety.
Machined Steel construction, with sizes varying by caliber and gauge style, and some gauges are interchangeable between different calibers within the same stock number category.
Attributes
Cartridge:
303 British
Style:
Field Gauge
Delivery weight: 0.023kg