The UBR GEN2 is an adjustable stock for AR15/M4 and AR10/SR25 platforms, designed to offer similar strength and stability as a fixed stock with a consistent and comfortable cheek weld in any position.
Includes the required custom Receiver Extension tube, Buffer Spacer, and all mounting hardware
NOTE: A carbine buffer and spring (M4 or SR25 length) or A5 buffer and spring are required for use with the UBR and are not included
