Devcon Express Epoxy Aluminum Putty is a two-part epoxy system engineered for gunsmithing work, metal repairs, and bedding applications where you need a machinable, high-strength bond. Whether you're filling voids in rifle stocks, repairing non-critical aluminum components, or bonding wood-to-metal surfaces, this aluminum putty delivers the durability and workability that competitive shooters and gunsmiths rely on. It sets quickly—ready to machine in 4 hours and fully cured in 16 hours—so you can get back to shooting without unnecessary downtime.
The aluminum formulation is ideal for jobs where steel would be overkill or incompatible with your project. Mix the two parts, apply, and shape it before it hardens; once cured, it machines cleanly and resists chemical and acid damage, making it tough enough for the field and reliable enough for the bench. Devcon Express meets military specifications (DOD-C-24176B), so you know you're working with a proven formulation trusted in demanding environments.
This is a working tool for shooters who know their way around a gunsmith's bench or just need a reliable repair medium on hand. Keep a tube in your range bag or shop for those inevitable fixes that can't wait for a trip to the gunsmith.
Key Features
- Two-part epoxy aluminum putty—ready to mix and apply
- Machinable within 4 hours; fully cured in 16 hours
- Maximum-strength bonding for wood-to-metal and metal-to-metal applications
- Fills voids, cracks, and machine marks in aluminum components
- Highly resistant to chemicals and acids
- Meets military specification DOD-C-24176B
- Heat-accelerated curing available per manufacturer instructions
Specifications
| Type | Two-part epoxy putty |
| Material | Aluminum formulation |
| Workable Time | Machinable after 4 hours |
| Full Cure Time | 16 hours (accelerated by heat) |
| Military Specification | DOD-C-24176B |
| Chemical Resistance | Highly resistant to chemicals and acids |
Frequently Asked Questions
What is this epoxy putty used for in gunsmithing?
Devcon Express Aluminum Putty is used for rifle bedding, filling voids and cracks in aluminum parts, bonding wood-to-metal surfaces, and repairing non-critical metal components. It's strong enough for structural use once cured and machinable, so you can shape it to fit your exact needs.
How long does it take to use after mixing?
The putty is machinable—meaning you can drill, file, or shape it—after 4 hours. Full cure takes 16 hours. You can speed up curing by applying heat according to the manufacturer's instructions if you're in a hurry.
Is this the same as steel epoxy putty?
No. This is the aluminum formulation. Devcon Express also makes a steel putty (available as putty or liquid) for different applications. The aluminum version is specified for aluminum-based repairs and bonding jobs.
What's included in the package?
The product is a two-part epoxy putty system—you mix equal parts of the two components before application. Follow the manufacturer's instructions for exact mixing ratios and application technique.
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