Serving Customers Since 1982

Evans Machining Service in Clairton, PA has been in business since 1982. Owned and operated by Allen R Evans, a retired Navy Veteran. Since his retirement from the Navy; he has been on a mission to provide our products and components mainly to the U.S. Government which services the entire military field, satisfying the needs of thousands of soldiers depend on and place our manufactured product into their weapons daily. Evans is also committed to offering this same type of quality of manufactured parts to civilian/consumer and law enforcement.

The Preferred Manufacturer of Firearm Components and Accessories

We are situated in South Western Pennsylvania in the small city of Clairton. We are considered under the U.S. Government NAICS as: 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing, 332710 Machine Shops and 332721 Precision-Turned Product Manufacturing. We are also a manufacturer of firearms and firearms accessories and currently hold a Class 2 NFA Manufacturer License and a Class 7 FFL Manufacturers licenses through the BATF (FFL) and NFA (SOT) Our strength is our knowledge and experience and the ability to satisfy our customer's needs.
We have provided our service over the years to end users of our product such as: U.S. Marines, U.S. Army, U.S. Navy and the U.S. Air Force. The components that we have manufactured are for all types of weapons and/or military applications.

Our Services

Evans Machining Service provides MIL-DTL-16232G Manganese Phosphate Coating (Type M Classes 1,2,3) and MIL-STD-171 (,, along with precision CNC and Swiss Automatic manufacturing services that meet various military and commercial requirements.

Heavy Manganese Phosphate Coating

Reduce wear and enhance the performance of metal components and weapons parts with our manganese phosphate coating, which is relatively uniform, non-conductive, and does not flake or peel. This wear-resistant coating is ideal for marine equipment, gears, bearings, and military or commercial firearms and ordnance, as well as the aerospace, oil, gas, and automotive industries. We are an approved source for MIL-DTL-16232G Heavy Manganese Phosphate Coatings (Type M Classes 1,2,3) and MIL-STD-171 (,, through the U.S. Military. This coating is tested in our lab and certified to your direct needs; including salt spray testing to ASTM B-117.

We Comply with Commercial Requirements and the United States Government's Military Specifications including:

  • ASTM B-117
  • MIL-DTL-16232 (Type M Classes 1,2,3)
  • MIL-PRF-3150
  • MIL-STD-171 (,,

Precision Manufacturing Services

Ensure quality and durability by calling on us for your precision CNC and Swiss Automatic manufacturing needs. Classified by the North American Industry Classification System under NAICS as: 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing, 332710 Machine Shops and 332721 Precision-Turned Product Manufacturing, we specialize in precision manufacturing for finished machined components. Our CNC and Swiss Automatic machines can handle bar diameter capacities from 1/8" through 1-1/4" cutting shaft lengths up to 12".

3D Printing Service

Evans Machining Service also offers the ability to print a plastic 3D model before your product even hits the market. Send us your 3D model and we'll quote a service price and have the model back to you within a few business days. We can print any model size up to: 8" x 6" x 6". For any 3D Printing needs, give us a call. 

Learn More

Contact us to learn more about our products and services.