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AR15 LPK - Missing Parts Kit

In stock! Ships within 24 hours or the next business day!

The AR15 Missing Parts Kit is perfect for any lost parts, replacement parts, or for your next custom build.

What's Included?

  • Buffer retainer (1)
  • Bolt catch spring (2)
  • Bolt catch detent (1)
  • Selector detent (2)
  • Disconnector spring (2)
  • Buffer retainer spring (1)
  • Takedown and pivot detents (4 each)
  • Selector and ejector detent spring (2)
  • Takedown and pivot pin detent spring (6 each)

Need help? Here's how to install these parts.


WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.

GunBuilders.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

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