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CerrosafeA(R) Chamber Casting Alloy - Cerrosafe Chamber Casting Alloy 1lb
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$28.99
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SKU: 080027100
Overview
This chamber casting alloy is intended for making accurate casts of a gun chamber for inspection, measurement, or toolmaking reference. It is sold by weight as an alloy and is described as infinitely reusable, making it a practical bench item for repeated use. The product notes that it shrinks during the first 30 minutes of cooling, reaches exact chamber size at the end of an hour, and then changes slightly over time, which matters when using the cast for dies, reamers, or gauges. For hunters and gunsmiths who need a chamber impression for careful work, it offers a straightforward, reusable option without extra complexity.
Why Hunters Choose the Brownells
Infinitely Reusable
Alloy for repeated chamber casts
Sold Weight
In a 1 lb package
Recommended Basic
Manufacturer for chamber casting
Shrinks During
First 30 minutes of cooling
One Hour,
It returns to exact chamber
Key Features
- Cerrosafe chamber casting alloy for making gun chamber casts.
- Sold by weight as a 1 lb alloy.
- Infinitely reusable for repeated chamber casting.
- Shrinks during the first 30 minutes of cooling.
- Returns to exact chamber size after one hour.
- Expands approximately .0025 inches after 200 hours.
Best Used For
- For gunsmiths making chamber casts for dies, reamers, or gauges from an exact chamber impression.
- For hunters needing a reusable alloy for checking chamber dimensions during firearm inspection.
- For users who want a practical casting material recommended by the original manufacturer.
- For shop work where an alloy sold by weight and reused over time is preferred.
Specifications
| Material | Alloy |
|---|---|
| Product Type | Chamber casting alloy |
| Quantity | 1 lb |
| Reusable | Infinitely reusable |
| Sold By Weight | Yes |
Pros
- Infinitely reusable alloy for repeated chamber casts
- Sold by weight in a 1 lb package
- Recommended by the basic manufacturer for chamber casting
- Shrinks during the first 30 minutes of cooling
- At one hour, it returns to exact chamber size
- Widely used for making dies, reamers, or gauges from casts
Considerations & Trade-offs
- Sold by weight rather than by a fixed cast count, so the practical number of uses depends on how much material is needed per chamber cast.
- The dimensional change described in the product information means timing matters; measurements taken after the recommended window may no longer reflect exact chamber size.
- It is intended for chamber casting only, so it is a specialized shop product rather than a general-purpose casting alloy.
- Because it is an alloy for repeated use, handling and remelting are part of the process and add a bit of setup compared with single-use alternatives.
Suggested Comparisons
- Chamber casting compounds
- Gun chamber gauges
- Reloading and gunsmithing tools
- Metal casting alloys
Suggested Accessories
- Chamber gauge
- Casting ladle
- Cleaning patches
- Measuring calipers
Frequently Asked Questions
What is Cerrosafe Chamber Casting Alloy used for?
It is used to make a cast of a gun chamber.
How does Cerrosafe behave as it cools?
According to the product description, it shrinks during the first 30 minutes of cooling and is exactly chamber size at the end of an hour.
Does the cast stay stable over time?
The description says that at the end of 200 hours it will have expanded approximately .0025 inches.
Is this alloy reusable?
Yes. The short description says it never wears out and can be used over and over, and the specifications state it is infinitely reusable.
How is this product sold?
The specifications say it is sold by weight, and the product title identifies it as a 1 lb package.