Captain O-Ring & Custom Rubber
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Custom Metal Parts Manufacturer

Captain O-Ring LLC can produce virtually any part from Aluminum, Brass, and other metal materials.  We use CNC technology to produce precise parts at low minimums.  Captain O-Ring can produce aluminum hardware in standard sizes, as well as completely custom parts.  We can accept CAD drawings in all major formats.  Color anodized finishes are available on Aluminum parts.

Aluminum Hardware

Custom Aluminum Hardware

Custom Aluminum Parts

Custom aluminum parts

Custom Brass Parts

Custom Brass Parts

request a custom part quote
Web orders over $10 include free ground shipping in the US.
All web orders ship within one business day.

Visa, Mastercard, American Express, Discover, and other cards accepted
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Terms & Conditions
Shipping, Payment & Return Policies
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Captain O-Ring LLC is an ISO9001:2015 certified company.
​Captain O-Ring LLC
1020 Jersey Ave
​​Gloucester City, NJ 08030

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Copyright © 2025
  • Home
  • O-Rings
    • O-Rings & Custom O-Rings
    • Paintball O-Rings
    • Scuba O-Rings
  • Custom Parts
    • Custom Rubber Parts
    • Custom Plastic Parts
    • Custom Metal Parts
  • Kitting/Assembly
    • Kit Packaging & Labeling
  • Online Store
    • Firearm & Air Gun O-Rings
    • Food/Concession O-Rings
    • Hydraulic O-Ring Kits
    • O-Ring Pick Tools
    • Paintball
    • Scuba O-Rings
    • Water Filter & Plumbing O-Rings
    • All Other Products
  • Support/Manuals
  • Contact
  • About