Geissele Ultra Duty AR-15 Lower Parts Kit – Black

Kit Includes:

  • Maritime Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Mag Release
  • Textured Billet Mag Release Button
  • Mag Release Spring
  • Buffer Retainer Spring
  • Ambidextrous Safety
  • Buffer Retainer
  • Safety Detent Spring
  • Safety Detent
  • Enlarged Billet Trigger Guard
  • Trigger Guard Roll Pin
  • Takedown Detent Springs
  • Takedown Detents
  • Textured Takedown Pins


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SKU05-435B Category

This premium lower parts kit comes with everything you need to assemble your AR-15 lower receiver, plus a few extras from Geissele to give you a little extra performance edge.

The included Ambidextrous safety selector allows you to operate your firearm from either the right or left side, while the Maritime extended bolt catch makes it quicker and easier to release the bolt. With high-quality parts like these, you can rest assured your AR-15 will be running at peak performance. Don’t settle for less when building your dream rifle – go with the Ultra Duty Lower Parts Kit from Geissele.

If you are looking for a high quality, durable lower parts kit for your AR-15, then look no further than the Geissele Ultra Duty AR-15 Lower Parts Kit. This lower parts kit includes everything you need to complete your lower receiver, including a trigger guard, takedown pins, and magazine release. The trigger guard is machined out of aluminum and is enlarged to give you more room to use the trigger if you are wearing gloves. The takedown pins and magazine release are textured for improved grip and function. The Geissele Ultra Duty AR-15 Lower Parts Kit is a great way to build out your lower receiver without having to pick every single part.


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