The VLTOR A5 Receiver Extension Tube is engineered for the VLTOR A5 buffer system, providing a 7-position adjustable option that enhances your AR/M4's functionality. This receiver extension is slightly longer than traditional M4 tubes, ensuring compatibility with Mil-Spec dimensioned collapsible stocks. It serves as both an upgrade and a replacement for your existing receiver extension, making it ideal for AR-15 and AR-10 configurations. The positions are clearly numbered and visible through the witness hole on most stocks, allowing for quick and easy adjustments. Intended Use: Ideal for AR-15 builds and stock replacements. Key Benefits: Enhances customization and functionality of your AR platform. Key Features: - 7-position adjustable receiver extension tube - Longer than traditional M4 receiver extensions - Compatible with Mil-Spec dimensioned stocks - Positions are numbered and visible for easy adjustment Summary: Upgrade your rifle with the VLTOR A5 Receiver Extension Tube, designed for enhanced performance and adaptability in tactical situations.