AR15 K15 Billet Lower Receiver

$124.95 $99.95
(3 reviews)
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KAK Industry AR15 Lower Receiver K15 - Billet

KAK Industries billet AR15 lower receiver is precision CNC machined from a solid block of high qaulity aircraft grade aluminum.  All internal dimensions are cut to the proper military dimensions.  Full M4/M16 spec fire control pocket.  All receivers are media blasted and have a deep lustrious hard coat anodizing.   These perfectly match our forged upper receivers.  KAK Industry billet AR15 lower receivers are the perfect foundation for your next build.

  • Machined from a solid block of aircraft quality aluminum
  • Full M4/M16 style fire control group pocket
  • Pictogram selector markings on both sides
  • Accepts all standard/Milspec AR15 components
  • Compatible with drop in trigger assemblies
  • Tumbled, deburred, media blasted
  • Caliber:  MULTI
  • Oversized integral trigger guard 
  • Flared magwell for faster & easier reloads 
  • Type 3 Class II hard coat anodized - deep matte black
  • Weight 9.12 oz
  • Excellent match with forged upper receivers


  • 5
    AR15 Stripped Lower

    Posted by Michael Carpenter on February 26, 2024

    Nice machining.

  • 5
    Nice bullet receiver

    Posted by Raymond on May 17, 2022

    Nice fit and finish. Awesome to have a KAK receiver for my KAK barrel and BCG.

  • 5
    High Quality

    Posted by NoQuarter on May 13, 2022

    Excellent lower! Great quality, great service, will definitely be getting more! Thanks KAK!!