BCM Stock Mod 2 SOPMOD is a black widebody buttstock recontoured into a patented semi-clubfoot design, fitting Mil-Spec carbine receiver extensions and optimized for intermediate length receiver extensions (MK2, AR10, A5). Features a VBOST (Vehicle Borne Operations Sling Tab) with multiple retention band positions for vehicle operations or low-visibility movement, and a removable Modular Buttpad offering a choice between a rubberized pad or diamond-textured non-slip surface. Snag-free profile with no edges to catch on slings, antennas, or PPE. Height 3.10. Includes M4 locking nut. Safety note Follow all manufacturer installation instructions. Verify proper function and secure mounting before use. Comply with local firearm laws and regulations.