Rise Armament AR15 Lower Parts Kit

SKU: 12003


In Stock

In stock


Rise Armament AR15 Lower Parts Kit

The RISE Armament 20-piece AR-15 Lower Parts Kit includes all the necessary components for assembling a lower receiver, excluding the trigger. It’s designed to work seamlessly with mil-spec AR-15s.

Most of the parts in this kit are constructed from 8620 steel, a robust alloy comprised of nickel, chromium, molybdenum, and 0.2 percent carbon. This steel is durable and tough, making it ideal for the kit’s components. The Safety Detent Pin and Takedown/Pivot Pin Detents are also made from yellow zinc, ensuring they can withstand continuous shooting without wearing out quickly.

The RISE Lower Parts Kit parts are also treated with a black phosphate finish. This finish forms a protective layer on the steel, preventing corrosion and extending the kit’s lifespan, even during extended shooting sessions.

Parts Included

  • Takedown/Pivot Pin Detents (2)
  • Bolt Catch Spring (1)
  • Safety Detent Pin (1)
  • Bolt Catch Plunger (1)
  • Bolt Catch Roll Pin (1)
  • Buffer Retention Pin (1)
  • Trigger Pins, 5.56 (2)
  • Safety Detent Spring (1)
  • Spring for Buffer Retainer, 5.56 (1)
  • Springs for Takedown/Pivot Detents, 5.56 (2)
  • Spring for Mag Catch (1)
  • Bolt Catch (1)
  • Safety Selector, 5.56 (1)
  • Magazine Catch Button, 5.56 (1)
  • Magazine Catch, 5.56 (1)
  • Pin for Receiver Pivot, 5.56 (1)
  • Pin for Receiver Takedown, 5.56 (1)

Product Information


Rise Armament






8620 Steel


Standard AR15 components

Made in USA


Arm or Ally

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