AR-15 Lower Build Kit with Stock

Our AR-15 lower build kit gives you everything you need to finish out an 80% lower receiver as part of your custom firearm build. With a little elbow grease and our AR-15 lower parts kit, you can create a fully functional lower receiver with your choice of either a traditional M4-style stock or a tactical stock. We put this kit together with quality parts you can count on to make it easier for anyone to build their own legal firearm in the comfort of their home, garage, or workshop.

Take the Guesswork Out of Gun Building

Our AR-15 Lower build kit makes it easy to finish out your lower receiver with a single all-in-one purchase instead of piecemealing your build from multiple sources. You’re getting performance parts engineered for reliability that are perfect for building or restoring an AR lower that’s ready for action at the range or in the field. This package includes:

• AR-15 Lower Parts Kit
  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Roll Pin
  • Bolt Catch Spring
  • Buffer Retainer
  • Buffer Retainer Spring
  • Disconnect
  • Disconnect Spring
  • Black Hammer
  • Hammer Pin
  • Hammer Spring
  • Magazine Catch
  • Magazine Catch Button
  • Magazine Catch Spring
  • A2 Pistol Grip
  • Pistol Grip Lock Washer
  • Pistol Grip Screw
  • Pivot and Takedown Pin
  • Pivot and Takedown Detent Spring
  • Pivot and Takedown Pin Detent
  • Selector
  • Selector Detent
  • Selector Detent Spring
  • Black Trigger
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Trigger Spring
  • Trigger Pin
• AR-15 Stock Kit
  • Choose Either an M4 or Tactical Stock
  • 6-position Mil-Spec Diameter Aluminum Buffer Tube
  • Standard Carbine Buffer
  • Carbine Buffer Spring
  • Receiver End Plate
  • Castle Nut
• Add an optional high-performance optic to your purchase and save more money on your build!

Get Professional Results on Your Homemade Gun

We carry everything you need to build and customize your firearms for a gun you can be proud of. Sign up for our email newsletter to find out about the hottest new products and sales first. Order your AR-15 Lower Build Kit from 3dprintedgunlab today.