UBR Gen 2 Adjustable Stock AR-15 / M4 Olive Drab Green Remote Dual Switch for Weaponlight + ATPIAL Laser The Geissele Super Modular Rail

The Geissele Super Modular Rail MK16 handguard

and further

5" External height 10

but offers superior rigidity

UBR Gen 2 Adjustable Stock AR-15 / M4 Olive Drab Green Remote Dual Switch for Weaponlight + ATPIAL Laser The Geissele Super Modular RailProduct Details The UBR GEN2 Stock fits AR15 M4 and AR10 SR25 platforms and includes technologies that provide LOP adjustability combined with a fixed, consistent cheek weld, fixed stock stability, and extra storage. At the heart of the UBR GEN 2 is a custom receiver extension that provides the secure mounting thats critical for stability and durability. Designed to handle big bore recoil and severe impacts, the UBR GEN2 is excellent for hard use