Custom Lower Receivers
Milled From Solid Billet Aluminum


Rogue Single Shot 50 BMG lowers Using state of the art, precision CNC milling machines, Stubborn Mule Outdoor Supply. manufactures the finest lower receivers for 50 BMG and AR-15.

Each receiver is made from the highest grade blanks of billet aluminum and milled to exacting tolerances.

Stubborn Mule - 15 Billet Lower AR15 Receiver



We currently have our Rogue Single Shot 50 BMG lower and the Stubborn Mule - 15 Billet Lower AR15 Receiver (SM-15) that will definitely turn heads at the range.

State of the Art,
Precision CNC Milling Machines


Precision CNC Milling Machines      Close-up of CNC Machining a Receiver



*10/22® and Ruger® are registered trademarks of Sturm, Ruger® and Company and is used here to reference common parts compatibility.
Stubborn Mule Outdoor Supply is in no way affiliated with Sturm Ruger® and Company.

© 2007 - Stubborn Mule Outdoor Supply.


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