Black Rifle Depot

AR 15 Lower Parts Kit

(122 reviews) Write a Review
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Usually Ships Within 3 Business Days-Excluding Holidays
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MSRP: $59.95
Now: $42.95
Was: $49.95
— You save $17.00



AR 15 Lower Parts Kit

The AR 15 Lower Parts Kit from Black Rifle Depot is the perfect solution for those looking to upgrade or build an AR 15 rifle. The kit is assembled with only the highest quality American made parts, including a 6.5lb trigger, offering a crisp pull with minimal creep. The 31 piece kit is compatible with AR 15 and variant lower receivers and includes all the necessary components to complete your lower receiver. All parts are 100% American made and meet Mil-Spec standards, ensuring top-notch performance and reliability. This kit also comes with a lifetime warranty, making it a smart and reliable choice for your AR 15 build. 

AR 15 LPK - Parts Included:

  • Bolt Catch
  • Bolt Catch Plunger 
  • Bolt Catch Roll Pin
  • Bolt Catch Spring
  • Buffer Retainer
  • Buffer Retainer Spring
  • Disconnect
  • Disconnect Spring
  • Hammer (Black Oxidize)
  • Hammer Pin
  • Hammer Spring
  • Magazine Catch
  • Magazine Catch Button
  • Magazine Catch Spring
  • A2 Pistol Grip
  • Pistol Grip Lock Washer
  • Pistol Grip Screw
  • Pivot Pin
  • Pivot Pin Detent
  • Pivot Pin Detent Spring
  • Selector
  • Selector Detent 
  • Selector Detent Spring
  • Takedown Pin (Front & Rear)
  • Takedown Pin Detent 
  • Detent Springs (2)
  • Trigger (Black Oxide)
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Trigger Pin
  • Trigger Spring
  • Parts Are In Colored Bags For Easy Assembly
  • 100% American Made

Lifetime Warranty

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Warranty Information

This kit comes with our LIFETIME WARRANTY* in the rare case you need one. Each part is personally inspected for quality and hand packaged to ensure your satisfaction. *Note: Warranty only valid when used with mil-spec lower, warranty does not cover use with 80% lower.
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122 Reviews

  • 5
    Lower build kit

    Posted by Chris on Mar 31st 2023

    Parts came in individual bags which made for easy identification. Overall a great deal

  • 5
    Very good lower kit

    Posted by William Harper on Jul 2nd 2022

    For the money, this is a very good lower parts kit. I have no complaints!

  • 5
    Good parts kit

    Posted by Ryan on Jun 27th 2022

    Installed easy and so far so good seems like a solid parts kit. Let’s go Brandon!!!

  • 5

    Posted by Wes on Jun 11th 2022

    Great parts works well with my 3D printed parts

  • 5
    AR 15 Lower Parts Kit

    Posted by Bruce Woodward on Nov 27th 2021

    My first lit from BFD and is beautiful. Color coded packed was great,sure helped in keeping the groups together. I am chomping at the bit to get an AR10 started!

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