FN FN15 M4 Military Collector | 5.56 NATO | FN36318

The FN15 Military Collector Series M4 is a semi-automatic modern sporting rifle built to FN’s exacting specifications and finished in matte black. Chambered for .223 Rem / 5.56 NATO, it ships with a 30-round removable magazine and a Knights Armament M4 Rail Adapter System for mounting accessories. The lower receiver includes a UID label and an ambidextrous safety selector; the rifle also features an A2-style front sight and a backup adjustable rear sight. For optics under $1,000 that pair well with this platform, a rugged red-dot such as the Aimpoint PRO provides fast, reliable aiming for close to mid-range engagements.

Product Specifications

• The manufacturer is FN America / FN Herstal.
• The model is listed as FN15 M4 (M4 Military Collector).
• The UPC is 845737006211.
• The cartridge is .223 Rem / 5.56 NATO.
• The action type is Semi-Automatic.
• The listed magazine capacity is 30 rounds.
• The product includes 1 x 30-round removable magazine.
• The barrel is described as button-broached and chrome-lined.
• The rate of twist is 1:7″ RH.
• The muzzle is a permanently fixed A2 compensator.
• The exterior finish is Matte Black.
• The stock type is a 6-position collapsible stock.
• The stock material is synthetic.
• The listed weight is 6.6 lbs.
• The sights include an A2 front sight and backup adjustable rear sight.

This Military Collector rifle brings factory-level MSR features—robust metal finish, chrome-lined, button-broached barrel, and a full Knights Armament M4 RAS—into a package suited for modern sporting rifle applications and range training. Its ambidextrous controls and industry-standard furniture make it compatible with a wide selection of accessories and optics, and the included rail system accommodates lights, foregrips, and aiming devices for practical use on the range.

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