The STERN DEFENSE 00640SWBARREL161INCHD1 is a replacement rifle barrel chambered in 40 S&W. It is made from 4150 Chrome Molly Steel and finished in Black Melonite for enhanced surface hardness and corrosion resistance. The barrel’s 16.10-inch length and 1:16 rate of twist are intended for applications where a longer-profile barrel is required for specific builds and accuracy considerations.
Key Specifications
- Manufacturer: STERN DEFENSE.
- Model: 00640SWBARREL161INCHD1.
- Caliber: 40 S&W.
- Barrel length: 16.10 inches.
- Material: 4150 Chrome Molly Steel.
- Finish: Black Melonite.
- Rate of twist: 1:16.
- Category: Rifle Barrels.
Designed for builders and technicians who need a robust, longer-profile barrel in 40 S&W, this Stern Defense barrel combines a proven steel alloy with a protective Melonite treatment. Its specifications make it a practical choice for platform builds and replacement installations where material durability and consistent twist rate are priorities.








