This Vltor AR-15 Carbine Receiver Extension Tube incorporates 5 different Length of Pull Positions and is compatible with any Mil-Spec Diameter Collapsible AR-15 Stock. The tube is manufactured to strict military specifications from Impact Extruded 7075-T6 Aluminum and given a Hard Coat Anodized Finish, ensuring a consistent and highly durable product capable of withstanding the extreme conditions present on an active battlefield. Also compatible for use with the LR-308 / SR-25 platform if paired with the correct buffer and buffer spring components (sold separately).
This receiver extension buffer tube is NOT compatible with any of the Vltor A5 Recoil System parts. It is for use with standard AR-15 Carbine action components only.