Enhance your rifle's performance with the Guntec USA MIL-SPEC 6 Position Buffer Tube with Castle Nut. Engineered for durability and versatility, this buffer tube is a must-have for serious gun enthusiasts. Crafted from premium T6 aluminum, it features a sleek anodized black finish that ensures long-lasting quality and resistance to wear. Its six adjustable positions allow for personalized customization, making it suitable for various shooting styles. Mil-Spec compliant for reliable performance Six adjustable positions for full customization 100% US made ensuring quality craftsmanship Sleek anodized black finish for enhanced aesthetics Durable T6 aluminum construction for long-lasting use Upgrade your shooting experience with the Guntec USA MIL-SPEC Buffer Tube, built for performance and precision.