The Commercial Spec Buffer Tube is compatible with your AR15 and features 6-postions.

• Type: Buffer Tube
• Firearm Type: Commercial Buffer Tube

*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item LBE Unlimited Commercial Buffer Tube 6 Position before purchasing if you are unsure.