FN 5.7 MKII/MK3 Threaded 10x1mm RH 5.5" with adapter

Elevate your shooting experience with the FN 5.7 MKII/MK3 Threaded 10x1mm RH 5.5" barrel. Engineered for precision and performance, this barrel is designed to deliver unmatched accuracy, making it the ideal choice for enthusiasts and competitive shooters alike.

Crafted from premium 416 R stainless steel, this barrel not only looks impressive but is built to last. With a heat-treated finish ensuring a hardness of 40-42 Rc, it provides longevity while maintaining consistent performance.

Experience the difference with EFK Fire Dragon Threaded Barrels – dedication to quality means you can trust your barrel to perform flawlessly.

Twist Rate: 1/9 

Rifling: Conventional Button Rifled 

 SAFETY NOTICE: Due to the high-velocity of the 5.7x28mm round, we strongly recommend the use of new factory loaded ammunition only. Any use of reloaded ammunition is strongly discouraged.

EFK Fire Dragon Threaded Barrels
THESE ARE SOME OF THE FINEST PISTOL BARRELS MADE IN THE WORLD!
Because of the care exercised in manufacturing and our refusal to compromise on any step of the process.

• We use the finest material available (type 416 Stainless Steel)
• Machining processes are accomplished on CNC equipment for close-tolerance production.
• Heat treating is done in a vacuum furnace for clean, consistent hardness of 40-42Rc

The end result is a good-looking, top-quality barrel with consistent, accurate and long-lasting performance. And don't forget the service. We deal with our customers on a personal level to ensure their complete satisfaction on all of our products.

All threading barrels come with a thread protector.

Industry standard is 150 rounds to break in a barrel before threading any device on to the barrel.

Restrictions:

Threaded barrels are Prohibited in the following states: Colorado, Connecticut, Delaware, Illinois, New York, Washington.