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SK-Ultra Skeletonized Ambi AR15 Receiver Set [FFL]

Original price was: $399.99.Current price is: $349.94.

Note: Please Provide FFL Dealers Email and/or Phone in Customer Notes at Checkout!

Out of stock

We now offer our classic precision machined SK-Ultra skeletonized ambi bolt release AR15 80% upper and lower sets as complete for ADR Tactical in a 100% version stripped ambi AR 15 receiver set.

SK-Ultra Skeletonized Ambi AR Receiver Set Includes:
– Ambi lever, spring, pin, and plunger shaft
– Bolt Catch Not Included
Ltd lifetime warranty against manufacturer defects

Lower Receiver:
– Ambidextrous Bolt Release
– CNC Machined from 6061-T6 Billet Aluminum
– No Fire-Safe Engravings
– Skeletonized FCG Faces and Mag-well
– Integral trigger guard for added overall strength
– Machined (not broached) Mag-well with wide flare

Upper Receiver:
– CNC Machined from 6061-T6 Billet Aluminum
– Accepts standard ejection port cover, pin and spring
– LightWeight (inset) and Skeletonized Faces on Sides
– Sleek and low-weight No-FA slick-side design
– Close in slim-line case deflector
– Built to mil-spec dimensional standards


– 7075-T6 Billet Aluminum (when Available)
– Bolt release pin hole Drilled and Tapped 6-32
– Glass Bead Blasted Finish
– Black Anodized
– Standard Cerakote colors:
Burnt Bronze, FDE, Graphite Black, OD Green or Tungsten Grey [Shown] – Custom Cerakote Color [View Here]

Shipping Restrictions:

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. All NFA Rules apply.

FFL Required!  This SK-Ultra Skeletonized ambi AR15 upper lower receiver set stripped can only be shipped to a licensed FFL dealer. Please add your FFL dealer contact info to the text section at the top of this page, or we will contact you by email after ordering. No Shipments to any state or locality where restricted.


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