5.5″ efk fire dragon barrel

5.5″ efk fire dragon barrel

The EFK 5.5″ Fire Dragon Threaded Barrel is compatible with all FN Five-seveN® models, including the IOM, USG, MK2 and the new MK3/MRD.

Buy the best 416 Stainless Steel threaded barrel for the FN Five-seveN®.

10mm x 1 threads allow direct threading of suppressors for the FN Five-seveN® like the GSL 57-22. A thread adapter is also included for use with 5.7x28mm rated suppressors that have 1/2″ x 28 threads.

The Five-seveN® Threaded Barrel for the USG, MK2 and MK3/MRD 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® USG, MK2 and MRD/MK3. 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)