Nielsen Piston 9mm M13.5x1LH, expertly designed for optimal firearm performance. Crafted from robust stainless steel, this piston enhances noise reduction, ensuring a quiet and focused shooting environment. It's perfect for both enthusiasts and professionals seeking reliability without compromise. Imagine a tranquil morning at the range, where every shot is seamlessly smooth and distinctly quieter—this is what the Nielsen Piston offers. An essential upgrade for your 9mm setup, it provides a significant advantage in both form and function. Make every shot count with this durable, high-quality piston.