AR15 Lower Parts Kit - Assembler's Special - Nitride

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White Label Armory's lower parts kits contain all high quality, 100% American-made components, manufactured to our exacting standards. Each kit is guaranteed to fit your Mil-Spec dimensions lower receiver. We don't use foreign made parts, polymer parts or MIM parts. This kit contains the basics, add your own fire control group, trigger guard and grip for the ultimate custom built lower. This nitride finish upgrade from our standard kit also contains easy-out takedown pin and pivot pin.

Assembler's Special Nitride Lower Parts Kit Includes:

  • Bolt Catch, Phosphate
  • Bolt Catch Detent, Blacknitride+™ by H&M
  • Selector, Phosphate
  • Selector Detent, Cadmium Plated
  • Magazine Catch Assembly, Phosphate
  • Fire Control Group Pins, Blacknitride+™ by H&M (2)
  • Takedown Pin, Blacknitride+™ by H&M
  • Pivot Pin, Blacknitride+™ by H&M
  • Takedown Pin/Pivot Pin Detents, Cadmium Plated (2)
  • Buffer Retainer Pin, Blacknitride+™ by H&M
  • Complete Spring Kit
  • 100% American Made
  • 5
    Awesome LPK

    Posted by Earl Evans on Mar 9th 2021

    One of the best lower parts kits I've ever purchased! Will definitely purchase again!

  • 5
    Nitride LPK

    Posted by LZ on Sep 24th 2020

    This is a high quality LPK. This was my third one, I will only use White Label Armory parts for all my builds. I have never had a bad experience with any of their parts. Everything, including this LPK is machined perfectly and always works, that's what matters.

  • 5
    What Craftsmanship!!

    Posted by Rudy Martinez on Jun 22nd 2020

    I am pretty new to White Label Armory, wasn't sure what to expect. I put this LPK in a lower as soon as it came in. I have had issues with other LPK's, not this one machined to perfection. I cant wait until their lowers are back in stock so I can build my next AR in a White Label Receiver. How will it do with a 6.5 Grendel Build!?!?

  • 5
    AR 15 parts

    Posted by Doug Dunlow on Jun 22nd 2020

    Great company, great delivery Thanks again

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