Guntec USA AR-15 Builder Lower Parts Kit

Manufactured by Guntec USA
Manufactured by Guntec USA
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The AR-15 Builders Kit is the perfect set for your next project AR. This kit provides armorers and hobbyists with the basic components to assemble a stripped lower receiver, minus the parts almost every shooter would be upgrading from the start such as the trigger and pistol grip. Save money and reduce the number of unneeded extra parts with the Guntec Builders lower parts kit.

Kit Includes:
  • Bolt catch
  • Bolt catch roll pin
  • Bolt catch plunger
  • Bolt catch plunger spring
  • Magazine catch
  • Magazine catch spring
  • Magazine catch button
  • Takedown Pin
  • Pivot Pin
  • Takedown/Pivot pin detent (x2)
  • Takedown/Pivot pin detent spring (x2)
  • MIL-SPEC Safety Selector
  • Safety selector detent
  • Safety selector detent spring
  • Buffer retaining pin
  • Buffer retaining pin spring

Guntec USA has been designing, manufacturing, and distributing tactical weapon accessories since 1989. Their goal is to supply excellent quality, at an economical value to professionals and enthusiasts alike.
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BrandGuntec USA
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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