At JoeBobOutfitters.com. I ordered mine finally as a belated fathers day present from my kids. . I think the SBR stamp will be the belated birthday present to me from my kids. I think I may be onto something here.
Spike's Tactical Lower (Multi) Forged Spider Stripped w/ Fire/Safe Markings-STLS018
Spike's Tactical Lower (Multi) Forged Spider Stripped w/ Fire/Safe Markings-STLS018