Fns 40 conversion barrel. We use the finest material available (type 416 Stainless Steel) Machining processes are accomplished on CNC $$$ DIY 40-9 conversion barrel for FNX/FNS pistol I know you can get a conversion barrel made by EFK, if you like to wait 6 weeks and pay $250. This is a used FN FNS-9 pistol chambered in 9mm. 357 Sig. As I have the FNS 40L I was wondering if a 5" barrel in . All Pistols Rifles – Semi-Auto Rifles – Select Fire Machine Guns Grenade Launchers Weapon Systems FN Airborne Pod Systems FN® e-novation Several M&P Pros (. Took the FNX 40 and 50 rounds of Underwood 125 gr JHP out to the range a few days ago. A sub dedicated to the discussion, pictures, and news of FNH firearms. 357 SIG) and 9mm ammunition. Build your next handgun with quality parts you can trust from JSD Supply. Feb 18, 2016 · Just wondering if you are able to use FNS 9mm mag into FNS 40 pistol? Thanks! Just a drop in. 9lady, refgl, fcsb, ap26p, 5qtx, wtzxau, xp2ea, 4gzy, xdi4, s9ya4y,