The Magpul® UBR™ (Utility / Battle Rifle), U.S. Patent 6651371, is a fully-featured, adjustable butt stock for the AR15 / M16. Unlike typical collapsing stocks, this modular design offers the stability of a fixed stock with consistent cheek weld in any position. Seven-position length-of-pull (LOP) adjustment is quickly executed with gross motor movement while the integral preset system allows direct access to a preferred position. A robust lock mechanism and multi-shell construction increase durability under severe impact conditions experienced during malfunction clearing and accommodates large-bore AR calibers. The UBR™ also provides extra counterbalance weight to improve handling on full-length rifles and weapons with muzzle-heavy accessories or grenade launchers. Optional components such as dual-side sling mounts and metal strike plate allow the UBR™ to adapt to the mission at hand.
Note: The UBR™ includes the necessary Entry Receiver Extension tube and all mounting hardware. An M4 Carbine Buffer and Spring are required for use with the UBR™ and are not included.
Made in USA
* Removing Standard Rubber Butt-Pad subtracts 0.30 in. LOP and 0.09 lb. Optional Extended Rubber Butt-Pad, 0.55” adds 0.25 in. LOP and 0.02 lb. vs. standard pad. Butt-pads are compatible with UBR™, ACS™, CTR™ and MOE™ carbine stocks.
** Specifications based on factory configuration
Due to ITAR restrictions this item, or some of its components, cannot be exported from the United States of America without a valid U.S. State Department export permit. Additionally, there may be local laws for which the customer is responsible.
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