Product Description Unlock suppressor-ready capability for your Springfield Armory Echelon pistol with this factory-engineered, drop-in threaded replacement barrel. Chambered in 9mm Luger and measuring 4.50 inches in length, this precision-machined stainless steel barrel is finished in a durable black Melonite coating that delivers outstanding rust resistance and enhanced lubricity for smooth cycling and long-term reliability. The muzzle is threaded at 1/2" x 28 RH, making it fully compatible with a wide range of suppressors, compensators, and other muzzle devices. A thread protector is included for use when no muzzle device is attached. With a total length of 5.2 inches including the thread protector and a 1:10" twist rate, this barrel is a factory-quality upgrade for any 4.5" Echelon pistol configuration. Note: Sales of threaded barrels are restricted and/or prohibited in certain states including CA, CT, DC, IL, MA, NY, and WA. Please verify your state and local regulations before purchasing. Product Highlights Factory drop-in threaded barrel designed specifically for Springfield Armory Echelon 4.5" pistols in 9mm Luger Precision-machined stainless steel construction with a black Melonite finish for superior corrosion resistance and lubricity 1/2" x 28 RH thread pattern supports a wide variety of suppressors and compensators for tactical versatility Includes a thread protector to safeguard the muzzle threads when no muzzle device is in use 1:10" twist rate and 5.2" total length (with thread protector) optimized for consistent 9mm performance Specs Brand: Springfield Armory Model: Echelon Series: Replacement Barrel Caliber: 9mm Luger Barrel Length: 4.50" Total Length (w/ Thread Protector): 5.2" Material: Stainless Steel Finish: Black Melonite Twist Rate: 1:10" Thread Pattern: 1/2" x 28 RH Barrel Features: Threaded Muzzle Weight: 4.04 oz Firearm Fit: Springfield Armory Echelon 4.5" UPC: 706397971892 MPN: EC0901TB Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>