A 17-year-old boy from Wisconsin was arrested on April 24 as part of an investigation into unlawful sales and possession of fully automatic rifle parts.
The Adams County Sheriff’s Office said that on April 24, 2025, officials executed a search warrant in the 2400 block of State Highway 13 in Adams as part of an investigation into an accusation of illegal possession of fully automatic rifle parts.
The case featured controlled exchanges of parts under monitoring, and the search warrant revealed tools used to convert semi-automatic firearms to fully automatic. Some of the objects discovered were:
- 3D-printed handguns without serial numbers
- 3D-printed stripped lower receiver for an AR-15
- Hundreds of 3D printed drop-in auto sears
- 3D-printed Glock switches
- Fully assembled and modified Glock
- Gunsmithing items
- Gun parts
- THC Paraphernalia
- 3D Printer
- Ammunition and magazines
The evidence is still being analyzed, but 17-year-old Ayden Seeley-Siegert of Adams was arrested and charged with the following:
- Converting a firearm to fully-automatic
- Selling, delivering or possessing a firearm silencer
- 10 counts of selling, delivering or transporting machine guns
The investigation is ongoing, and more charges may be referred to the Adams County District Attorney’s Office awaiting new information. Seeley-Siegert’s cash bond was set at $2,000 during a hearing on April 25.
No additional information is provided.