EFK 5.4" Threaded Fire Dragon Barrel for FN Five-seveN USG & MK2

The Five Seven Threaded Barrel By EFK Fire Dragon is the best, custom stainless steel threaded barrel for the FN Five seveN.

This barrel has 10mm x 1 threads for super easy installation and proper fitting on your factory Five seveN. This is a true drop-in barrel that requires no fitting and no modifications to your pistol. Simply remove the factory barrel and install this one in its place. It also comes with a 1/2" x 28 thread adapter, making it compatible with a wide variety of silencers and accessories. (Always check with your silencer manufacturer to make sure your accessory is rated for 5.7x28mm pressures before use)

EFK Fire Dragon barrels are manufactured from the highest quality 416 Stainless Steel for a lifetime of service and durability. Machining processes are accomplished on CNC equipment for the highest close tolerance production. Heat treating is done in a vacuum furnace for clean, consistent hardness of 40-43 Rc.

NOTICE:This barrel now comes with a 1/2" x 28 thread adapter. No need to purchase separately.

About EFK Fire Dragon & Their Craftsmanship:
EFK Fire Dragon is one of the largest manufacturers of recoil reduction systems. Our hands-on approach to design, research and development, and testing enables us to put the ultimate recoil reduction system on the market for you. Our goal has never changed: design the best products using today's most advanced material and offer it at the best price, all backed by the one of industry's best warranties.

During the last eight years, EFK Fire Dragon has brought on engineers, designers, and sales representatives from top companies in recoil reduction systems. With this wealth of knowledge and experience, we have put together the ultimate recoil reduction system you can buy. Our products are available around the world, offering the finest recoil reduction accessories for the world's best pistols. We offer one of the best warranties in the industry, with a lifetime warranty on every product we sell. We are committed to 100% customer satisfaction. If you are looking for some of the finest accessories you can buy for your pistol, backed by one of the best companies in the market, look no further then EFK Fire Dragon. On behalf of everyone at EFK Fire Dragon, thank you for your time in reviewing the product line.