AR Parts Shop

CSS designs, manufactures, and supplies high-quality components for the AR-15/M16/M4 family of modern sporting rifles. Our parts are precision-engineered to meet OEM standards and are ideal for both new builds and replacement needs. All components are proudly manufactured in the USA to ensure consistent performance and reliability.

Please refer to the table below for a list of available parts.

Contact us directly for quantity options and pricing details.

  • Action Spring
  • Auto Sear Assembly
  • Bolt Catch Spring
  • Buffer Retainer Spring
  • Car Action Spring
  • Charging Handle Latch
  • Charging Handle Latch Spring
  • Cover Spring
  • Detent Take Down Spring
  • Disconnector
  • Disconnector Spring
  • Ejection Port Cover Door
  • Ejector Spring (Selector Spring)
  • Extractor Spring
  • Front Sight Spring
  • Gas Ring, Bolt
  • Gas-Ring-308
  • Hammer Spring 2 (Semi Auto Only)
  • Hammer Spring (3rd Burst or Full Auto)
  • Handguard Cap
  • Handguard Cap-Grenade Launcher
  • J-Wire
  • Magazine Catch Spring
  • Plunger Spring / Forward Assist
  • Receiver End Plate
  • Sling Swivel
  • Trigger Spring
  •  

REQUEST OUR PRICING BROCHURE TODAY
We accept Visa, Mastercard, and AMEX
For pricing information, please email us.

Please visit our Defense & Firearms page to learn more about CSS’s 87 years of experience supporting the firearms and defense industry. For questions about our firearms component and assembly manufacturing capabilities, please feel free to submit a Request for Quote or Contact Us directly.

Photos


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