FN 509 Review: Better Than A M&P Or Glock?
This guide details the field stripping process for the FN 509, a pistol derived from FN's submission for the U.S. Army's Modular Handgun System contract. It covers unloading, slide removal, barrel and recoil spring assembly removal, inspection of key components like the cold hammer-forged barrel and nitro-carburized slide, and reassembly. The process is straightforward and essential for routine maintenance and inspection, as demonstrated by Mrgunsngear's expert review.











