Dark mode is

3rd Gen Tactical AR-15 Humboldt Billet Lower & Upper Receiver Set

In stock

Available for In-Store Purchase and Ships from Auburn, WA

Ships from Distribution Facility

FFL Required Before Shipping.

Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number. 


The perfect part deserves the perfect partner. Introducing the Humboldt Lower/Upper Set. Designed for a flawless fit, and machined out of solid 7075 T-6 Billet, these two form the base of your AR build. Mil-spec to go with your other parts, this a set you don’t want to pass up.


  • Humboldt 7075 T-6 Billet Lower Receiver
  • 7075 T-6 Upper Receiver
  • Mil-Spec
More Information
Product Type AR-15 Receiver Set
Manufacturer 3rd Gen Tactical