SAF and partners have filed0 a new brief in the VanDerStock v. Garland case which is litigating the "frame or receiver" rule (popularly known in the media as "ghost guns").
https://www.ammoland.com/2023/08/atf-no-authority-change-rules-guns-without-congress/
Here's the brief:
https://www.saf.org/wp-content/uploads/2023/08/2023-08-23-Appellees-Brief-Filed-dckt-94.pdf
Conclusion
The district court’s decision to deem the Rule illegal in the challenged respects and award APA relief to Defense Distributed, the Second Amendment Foundation, and JSD should be affirmed, either on the grounds the district court’s decision expressly upheld or on one or more of the alternative grounds herein advanced.
https://www.ammoland.com/2023/08/atf-no-authority-change-rules-guns-without-congress/
Here's the brief:
https://www.saf.org/wp-content/uploads/2023/08/2023-08-23-Appellees-Brief-Filed-dckt-94.pdf
Conclusion
The district court’s decision to deem the Rule illegal in the challenged respects and award APA relief to Defense Distributed, the Second Amendment Foundation, and JSD should be affirmed, either on the grounds the district court’s decision expressly upheld or on one or more of the alternative grounds herein advanced.