MAGPUL UBR® COLLAPSIBLE STOCK
UBR Collapsible Butt Stock
Weight: 1.46 lb.
Weight, w/ Entry Receiver Extension: 1.63 lb.
Length, Stock: 8.00-11.36 in.
LOP Adjustment: 7-Position (0.56 in. / position)
LOP Adjustment Range: 3.36 in.
LOP, Collapsed (M4/M16): 11.10 in.
LOP, Extended (M4/M16): 14.46 in.
NOTE: The UBR includes the necessary Entry-Length Receiver Extension tube and all mounting hardware. An M4 carbine buffer and spring are required for use with the UBR and are not included.
7.62x51 ARs may require the use of a custom short buffer and spring.
**Specifications based on factory configuration