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Military and Firearm Castings
For over fifty years Marlborough Foundry has been supplying casting solutions to some of the most sensitive projects, including numerous castings for a wide range of military applications. Although the majority of our customers are Prime Defense Contractors, we do work directly for certain branches of the United States Department of Defense.
Naturally, we insist on utilizing the highest quality materials and ensure that our metal is 100% traceable to National Standards. Most recently, we produced cast molds for personal armor, electronic housings for guidance systems, and transducer heads for sonar and radar equipment. Additionally, we have created castings for microwave back plates and portable fuel cell chambers along with telecommunication heat sinks and cold plates for positioning systems.
The firearms market is another field of industry we regularly serve. Although these products are not always used for military applications, we feel they require the same attention to detail during their manufacture. We are currently producing side plates, folding stocks, and stock butt plates for some of the most popular models available.
Although some of the required specifications and standards are outdated, they still appear on the drawings supplied to us. Some of the most relevant military and civilian documents that are related to an aluminum casting facility are:
- QQ-A-601 and B26 (Sand Casting requirements)
- B108 (Permanent Mold Casting Requirements)
- MIL-A-21180 and B686 (Cast Aluminum Requirements)
- Mil-C-6021 (replaced by MIL-STD-2175)
- MIL-STD-2175 (Inspection of Castings)
- ASTM E 155 (Reference Radiographic Levels)
- MIL-STD-453 (Inspection, Radiographic)
- MIL-STD-6866 (Inspection, Liquid Penetrant)
- MIL-I-45208 (Inspection System Requirements)
- MIL-STD-271 (Non-destructive Testing Requirements for Metals)
If you need a proven source to supply castings for your military customers, trust Marlborough Foundry. What’s more, we may even already have the tooling to allow us to get right to it. We will work closely with the customer through all steps of the process. Or, we can handle your project for you from an the idea stage to a completed product, just as we have done for the past fifty years.