This Forster Products FIELD Gauge (brand part no. HG0030F) is cut for the .30 M1 Carbine cartridge at 1.299 inches. A bolt that closes on this FIELD gauge indicates the chamber is at or beyond the SAAMI-specified maximum safe headspace, making it an important safety check rather than a fitting tool.

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Key Specifications

• Quantity: 1
• Length: 1.299-inch
• Style: Field Gauge

Frequently Asked Questions

What does it mean if my rifle closes on this gauge?
The chamber headspace is at or beyond SAAMI's maximum safe specification and should be inspected.

What cartridge is this gauge cut for?
.30 M1 Carbine.

Order the 30 M1 Carbine Field Gauge Headspace Gauge, Steel online now from Schaefer Defense and get it shipped fast.