The UBAR 2 Parts kit includes all of the hardware necessary to complete the 3D printed AR15 UBAR 2 lower(Also compatible with the original UBAR).
Note: You will need to 3D print the UBAR 2 lower and purchase the required (Non-FFL) AR15 upper.
You can download the UBAR 2 AR15 Lower 3D Files here.
Hardware in UBAR 2 Parts Kit
- 1 – 1/4″-20 thread, 1-1/8” ID Ubolt
- 2 – 1/4″x 1-3/16” Flat-Shoulder Rod-End Eye Bolts
- 2 – 1/4″-20 locking nuts
- 1 – Front Pin, ¼” Diameter
- 1 – Back Pin, ¼” Diameter
The UBAR 2 is one of the most durable and documented 3D printed AR15 lower options. The UBAR 2 is compatible with a huge range of AR upper configurations allowing you to build a rifle, pistol, or carbine that kicks a** to shoot.