ATI Outdoors AR-15/AR-10 Military Buffer Tube Black One Size. 25 in Additional Features: Standard Included Accessories: Standard Activity/Occasion: Outdoor Casual Hike Work Travel Duty Sports Fit: Regular Age Group: Adults Size: One Size Seasonal/Temperature Use: All Seasons Application: Outdoor Work Tactical Everyday Casual Quantity: 1 Style: Tactical Gender: Unisex Features of ATI Outdoors AR-15/AR-10 Military Buffer Tube Military Diameter Threads for Maximum Fit into AR-15 / AR-10 Receiver Constructed of Military Type III Anodized 6061 T6 Aluminum 6 Standard Mil-Spec Stock Locking Positions Virtually Indestructible Package Contents: ATI Outdoors AR-15/AR-10 Military Buffer Tube What firearm models does the manufacturer say ATI Outdoors AR-15/AR-10 Military Buffer Tube is compatible with? The manufacturer suggests that ATI Outdoors AR-15/AR-10 Military Buffer Tube is compatible with AR-15ATI Outdoors A.5.10.2250: AR-15/AR-10 Military Buffer Tube Black One Size