- MAC 11 Barrel
- MAC 11 Bolt
- PROPRIETARY FRONT TRUNNION
- PROPRIETARY REAR TRUNNION
- Select AR-15 lower parts
- Upper Receiver Hardware
No FFL is required to purchase this 3d print obsidian build kit. This 3d print obsidian build kit is not considered a firearm and is compliant with the gun control act of 1968 as defined in 18 U.S.C. 921(a)(3).
- This is not an FFL item due the machining required to finish the product. Under BATF this is not a firearm.
Operations left to be performed are:
- Print your parts
- Install a Lower Parts Kit: Gunsmith recommended