Proudly Made in Springfield, Oregon!

Raw Ultra-LW Skeletonized AR 80% Lower Receiver

(11 customer reviews)


Still Available: No Serial Number or FFL

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Bolt Catch Pin Hole

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All machining processes for our Ultra-LW skeletonized AR15 80% Lower are completed other than drilling/milling the FCG (Fire Control Group) pocket and trigger slot, and drilling the Selector switch, Trigger and Hammer pin holes.

– Mates with all mil-spec AR-15 upper receivers
Skeletonized in Fire Control area when completed
– CNC Machined from 6061-T6 Billet Aluminum
Rear lug pocket already machined
– Fire-Safe engravings not present
– Integral trigger guard for added overall strength
– Machined (not broached) Skeletonized Mag Well with wide flare
Ltd lifetime warranty against manufacturer defects


– Bolt release pin hole Drilled and Tapped 6-32
– Glass Bead Blasted


Although not generally restricted, you should refer questions regarding manufacture, NFA Regulations, and individual state regulations to the BATFE, your local law enforcement or obtain legal guidance prior to manufacturing.

No FFL Required!  This raw billet AR15 80% lower receiver can be securely purchased from our website, and shipped direct to your home or business. (See the Shipping/Returns webpage for updated Shipping Restrictions)

11 reviews for Raw Ultra-LW Skeletonized AR 80% Lower Receiver

  1. Andrew R. (verified owner)

    Top notch product and amazing customer service!

  2. Tyler E. (verified owner)

  3. Chris (verified owner)

    Very nice product. Looks really good when finished.

  4. Justin (verified owner)

    This thing is AWESOME!! Got it milled out and ready to cerakote. Thinking about getting that War Dog skeletonized upper to match – at least until these guys come out with one!

    Image #1 from Justin
  5. Craig F. (verified owner)

  6. Anonymous (verified owner)

  7. Anonymous (verified owner)

    This is the coolest lower on the market. Head turner at the range for sure. Built 2 so far. I’m sure I’ll be back for more! Lol

  8. Anonymous (verified owner)

    Never fails. Every time I visit the website, I have less money in my bank account… I’m hoping they stop making awesome products soon. My wife is gonna kill me.

  9. Anonymous (verified owner)

    As described, looks great and quick shipping.

  10. Joseph A. (verified owner)

    Fast shipping.

  11. Anonymous (verified owner)

    Beautiful lower, milling went smooth as can be and specs were spot on. Complete lower looks amazing.

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