FN Herstal: FN 15 Military Collector M4, 5.56

FN Herstal
Current Stock:

Own a piece of firearm history from the makers of the world’s most battle-proven firearms. The FN 15® Military Collector Series M4 brings to market a military replica rifle made to FN’s, and the U.S. military’s exacting specifications. The semi-automatic rifle is chambered in 5.56x45mm NATO and features a 16-inch, 1:7 RH, button-broached, and chrome-lined barrel. The UID-labeled lower receiver is equipped with an ambidextrous selector switch, just like its select-fire big brother, the M4A1.


  • Semi-automatic only
  • Ambidextrous selector
  • Hard-anodized aluminum receiver
  • Flat-top receiver with a MIL-STD-1913 rail at the 12 o’clock position
  • 16” button-broached, chrome-lined barrel
  • A2-style compensator (permanently attached)
  • Collapsible 6-position stock with sling mount
  • Knights Armament M4RAS Adapter rail with rail adapter covers
  • A2 pistol grip
  • Ergonomic magazine release
  • Forward assist
  • Magazine
  • Aluminum body


  • Mounting System: Picatinny Rail
  • Caliber: 5.56 NATO
  • Muzzle Thread : 1.2x28
  • Gas System: Direct Impingement
  • Barrel Length: 16"
  • Product Weight: 6.6 LBS
  • Length: 30.5" – 34.2”
  • Magazine: 30 rd.





  U.S. Government Export Restriction

This item is restricted for export by the State Department and Department of Commerce. Make sure that you are familiar with all applicable laws.  ITAR Information.


FFL Requirements & Magazine Restrictions

This item has to ship to an FFL. Please read the attached information. Shipping Rules & Magazine Restrictions.




5.56 NATO
16 inch