NOTICE: This item is NOT recommended for the new FN Five-seveN MRD/MK3. Buy the best stainless steel threaded barrel for the FN Five-seveN. 10mm x 1 Threaded Barrel By EFK Fire Dragon. 1/2″ x 28 thread adapter included. The Five Seven Threaded...

Factory FN SCAR 16S 10″ barrel assembly. The best choice for your SCAR 16S SBR project. *Tax stamp and engraving required prior to assembly. This item may take a few extra days to ship. The FN SCAR(R) barrel assemblies are cold hammer-forged,...

Factory FN SCAR 17S 13″ barrel assembly. The best choice for your SCAR 17S SBR project. *Tax stamp and engraving required prior to assembly. This item may take a few extra days to ship. UPC Code: 845737002657 Manufacturer: FN America Manufacturer...

The Apex Slide Maintenance Kit provides the full complement of replacement springs needed for quick and easy maintenance of the slide for the FN 509 model pistols. The Apex Slide Maintenance Kit provides the full complement of replacement springs needed...

This Apex 9mm Threaded Barrel is designed specifically for the FN 509 Compact model pistols with a factory 3.70″ barrel. The heat treated stainless steel barrel has a black Melonite finish. The barrel features a 1:10” twist rate that is designed to...

This Apex 9mm Threaded Barrel is designed specifically for the FN 509 model pistols with a factory 4.00″ barrel. The heat treated stainless steel barrel has a black Melonite finish. The barrel features a 1:10” twist rate that is designed to...

SCAR® compatible barrel extention screws made with hyper tough S7 Tool Steel for unparalled durability.  The Imperial Arms Co SCAR® compatible barrel extention screws are the perfect component for your Cypher built, or factory SCAR®...

The best choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR. Tax Stamp and gunsmithing required. 10.4″4140 Chrome Moly VanadiumManganese Phosphate Coated1:9 Twist5.7×28...

Make your PS90 SBR look just like a P90 with this P90 style flash hider from CMMG. Designed to be used with the CMMG 10.4″ barrel.

For use with a 10.4″ short barrel on your PS90 SBR build. The female threads are M12 x 1.0 LH and are used for barrel rention. The male threads are a standard 1/2″ x 28 and are used to attach your favorite 5.7×28 rated silencer or muzzle...

We are currently working on a limited 100 unit run of PS90 16″ barrels. The target retail price is $299.95. We do not currently have an estimated production date. Those interested in purchasing a 16″ PS90 Barrel should add themselves to our...

Add 1/2″ x 28 threads to your FN Five seveN EFK Fire Dragon Threaded Barrel. EFK Fire Dragon Five Seven Threaded Barrel thread pitch is 10mm, which will not fit most suppressors. You must purchase this adapter if you intend on using a 1/2″ x...

The EFK Fire Dragon Threaded Barrel for the FN Five-seveN® MK3/MRD has been specifically designed to allow the attachment of accessories without interefing with the slide.  Buy the best 416 Stainless Steel threaded barrel for the FN...