UBR Gen2 Collapsible AR15/AR10 6-Position Stock w/ Buffer Tube Inner barrel size: 135*16mm (id:

Inner barrel size: 135*16mm (id: 13mm)

Weight: 1350g

Its durable and reusable design can withstand multiple uses

while the sun-treated metal inner tube and horn design provide added convenience

while special glue and heat-cut edges ensure a durable bond

UBR Gen2 Collapsible AR15/AR10 6-Position Stock w/ Buffer Tube Inner barrel size: 135*16mm (id: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