The FN 15 Military Collector Series M4 brings to market a military replica rifle made to FNs, and the U.S. military's exacting specifications. The semi-automatic rifle features a 16", 1:7 RH, button-broached and chrome-lined barrel; collapsible, 6 position stock with sling mount; Knights Armament M4RAS Adapter rail with rail adapter covers; UID-labeled lower receiver is equipped with an ambidextrous selector switch.
 
Type: Rifle: Semi Automatic
Model Series: FN 15
Model Specific: FN 15 Military Collector M4
Caliber/Gauge: 5.56 NATO
Barrel Length: 16 in.
Capacity: 30+1
Minimum/Overall Length: 30.5 in.