Vism Ar Blastar Thumbhole Stock Black. Specifications for Vism AR Blastar Thumbhole: Manufacturer: VISM Color: Black Length: 11.5 in Gun Make: AR Platform Features of Vism AR Blastar Thumbhole: AR thumbhole stock with internal storage compartment and rubber butt pad Multiple points to install QD sling cups (cups not included) Designed to only fit MIL-SPEC carbine buffer tubes Constructed of polymer and hard anodized aluminum Mounting bolts and tools included. Package Contents: Vism AR Blastar Thumbhole Vism VKARSTK: Ar Blastar Thumbhole Stock Black