The UBR Gen2 butt stock is designed for the AR-15 gel blaster and airosft platform. This Gen 2 version is 20% lighter than the Gen 1 and features 6 positions of adjustability, a rubber buttpad, 11.1v battery storage compartment, and includes a buffer tube.  . Features: Solid fixed stock lockup and consistent cheek weld in all positions. 6-Position LOP adjustability. Adjustment lever requires only gross motor movement to operate yet the entire stock remains streamlined and anti-snag. Enhanced lock mechanism with dual locking pawls for maximum drop strength and shock resistance. Sloping cheek weld combines a slim profile with user comfort. Storage Compartment in tail of stock is removable and the door is reversible for user preference. Rubber butt-pad offers an anti-slip surface and increases impact protection. Rollover on the toe allows for easier shoulder transitions and better fit when using body armor. Sling Mounts: Front - QD swivel mount for ambidextrous one-point QD sling mounting; Left/Right Rear- Rotation-limited QD swivel sling mounts fit up to 1.5-inch push-button swivels; Bottom - 1.25-inch sling loop (additonal loop accessible when Storage Compartment is removed). Specifications: Model: UBR Gen2 Material: nylon Butt Pad: Rubber Color: black Length of Pull: 11.80"-15.30" Weight: 351g Size: 21*14cm Package includes: 1x UBR gen2 collapsible butt Stock UBR Gen2 Butt Stock Video: