---
product_id: 38447594
title: "308 Winchester Headspace Gauge Set GO and NO-GO"
brand: "forster products"
price: "25185 kr"
currency: ISK
in_stock: true
reviews_count: 9
category: "Forster Products"
url: https://www.desertcart.is/products/38447594-308-winchester-headspace-gauge-set-go-and-no-go
store_origin: IS
region: Iceland
---

# ±0.00015 precision tolerance Multi-caliber compatibility Hardened steel, ANSI & SAAMI ground 308 Winchester Headspace Gauge Set GO and NO-GO

**Brand:** forster products
**Price:** 25185 kr
**Availability:** ✅ In Stock

## Summary

> 🔍 Master your rifle’s chamber with precision that commands respect

## Quick Answers

- **What is this?** 308 Winchester Headspace Gauge Set GO and NO-GO by forster products
- **How much does it cost?** 25185 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/38447594-308-winchester-headspace-gauge-set-go-and-no-go)

## Best For

- forster products enthusiasts

## Why This Product

- Trusted forster products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** GO and NO-GO gauges help prevent catastrophic firearm failures
- • **Built to Last:** Crafted from hardened steel ensuring durability and consistent accuracy
- • **Trusted by Pros:** Preferred by gunsmiths for custom builds and reaming new chambers
- • **Pinpoint Precision:** Engineered to ±0.00015 tolerance for flawless chamber checks
- • **Versatile Compatibility:** Supports 243 Win., 260 Rem., 7mm-08, 308 Win., 338 Fed, & 358 Win calibers

## Overview

The 308 Winchester Headspace Gauge Set GO and NO-GO is a precision-engineered tool crafted from hardened steel, designed to measure rifle chamber headspace with an exacting ±0.00015 tolerance. Compatible with multiple popular calibers, it ensures safe, accurate chamber dimensions by using GO and NO-GO gauges, making it an essential instrument for gunsmiths and serious firearm enthusiasts aiming for optimal performance and safety.

## Description

Every gunsmith knows that proper use of a headspace gage is the most reliable way to test the length of a rifle chamber. “Headspace” is the distance between the face of the breech and the base of the cartridge when the action is closed, and excessive headspace can be dangerous as well as impair accuracy. For instance, unsupported brass fired in a rifle action with excessive headspace can rupture, allowing gas to blow rearward like rocket exhaust. Because your safety is on the line, Forster Headspace Gages are made with painstaking care and exacting manufacturing standards to ensure accurate testing of your rifle’s chamber. If a rifle closes on a GO gage, the rifle chamber will accept any ammunition that is made within SAAMI (industry standard) specifications. If a rifle closes on a NOGO gage, the rifle chamber might have excessive headspace. Most gunsmiths chamber a rifle’s headspace between the GO and NOGO dimensions. If a rifle closes on a FIELD gage, the rifle chamber is dangerously close to or already over the SAAMI specified maximum chamber size.

Review: Worked well - These worked great and allowed me to finish my project.
Review: Great set of Gauges! - A must have product if you are planning on building rifles. I used these on a bolt action build and they worked perfectly, rifle shot amazing groups after I assembled it and took it to the range. Headspace is very very important, these gauges are worth the money if you are doing any kind of custom barreling. Wrong head spacing can be disastrous as it will cause a catastrophic failure in the chamber if it is incorrect! Pay the money and get gauges for your caliber!

## Features

- 243 WIN: Use to check headspace of 243 Win., 260 Rem., 7mm-08, 308 Win., 338 Fed, & 358 Win.
- RIMLESS CARTRIDGE HEADSPACE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. Headspace in a rimless cartridge is the distance between the bolt face and a datum line, determined by SAAMI, where the front of the cartridge rests on its shoulder when the bolt is closed.
- NO-GO: Corresponds to the maximum headspace we recommend for gunsmiths’ chambering new bolt-action rifles. This is not a SAAMI-maximum measurement. If a rifle closes on a NO-GO gage, it may still be within SAAMI specifications, or it may have excessive headspace. To determine if there is excessive headspace, the chamber should then be checked with a FIELD gage. The NO-GO gage is a valuable tool for gunsmiths’ reaming new chambers, in order to ensure tight and accurate headspace
- GO: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo.
- PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MDO2HEZ |
| Best Sellers Rank | #85,757 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #540 in Gunsmithing Tools |
| Date First Available | October 18, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.89 ounces |
| Manufacturer | Forster Products |
| Package Dimensions | 5.98 x 2.76 x 1.18 inches |

## Images

![308 Winchester Headspace Gauge Set GO and NO-GO - Image 1](https://m.media-amazon.com/images/I/61E8z1ihBZL.jpg)
![308 Winchester Headspace Gauge Set GO and NO-GO - Image 2](https://m.media-amazon.com/images/I/71uXYzNEoyL.jpg)
![308 Winchester Headspace Gauge Set GO and NO-GO - Image 3](https://m.media-amazon.com/images/I/714tPRcKnWL.jpg)
![308 Winchester Headspace Gauge Set GO and NO-GO - Image 4](https://m.media-amazon.com/images/I/81yWia6VfWL.jpg)
![308 Winchester Headspace Gauge Set GO and NO-GO - Image 5](https://m.media-amazon.com/images/I/614LnvZkG7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked well
*by D***R on November 9, 2025*

These worked great and allowed me to finish my project.

### ⭐⭐⭐⭐⭐ Great set of Gauges!
*by J***Z on February 26, 2024*

A must have product if you are planning on building rifles. I used these on a bolt action build and they worked perfectly, rifle shot amazing groups after I assembled it and took it to the range. Headspace is very very important, these gauges are worth the money if you are doing any kind of custom barreling. Wrong head spacing can be disastrous as it will cause a catastrophic failure in the chamber if it is incorrect! Pay the money and get gauges for your caliber!

### ⭐⭐⭐⭐⭐ No go Go gauges for headspace
*by T***M on May 27, 2023*

These are phenomenal and accurate little guys. Should you find your boat closing on a Nogo gauge check out the head spacing or have a qualified gunsmiths looked at it if you do not know what you’re doing if it closes on the go, Gage, you are all good. This is the easiest and most effective ways to determine whether your head spacing is proper. Not setting your head space properly can cause a jet to form and come out the back of the firearm.

## Frequently Bought Together

- 308 Winchester Headspace Gauge Set GO and NO-GO
- Forster Products 5.56 NATO MIN and MAX Headspace Gage Set
- 300 AAC Blackout Headspace Gauge Set GO and NO-GO

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-16*