FN America Scar 16S Non-Reciprocating Charging Handle Conversion Kit Black. The assembly contains a new NRCH bolt carrier innovative charging handle sled and two ambidextrous reversible charging handles that lock forward on bolt-close and remain static during fire providing superior forward assist capabilities. The FN SCAR NRCH assembly upgrade improves the handling characteristics of an inherently more accurate and reliable platform that in its military configuration has served Americas most elite fighting forces for more than a decade. Specifications for FN America Scar 16S Non-Reciprocating Charging Handle Conversion: Manufacturer: FN America Color: Black Gun Model: FN SCAR 16S Hand: Ambidextrous Package Contents: FN America Scar 16S Non-Reciprocating Charging Handle Conversion What firearm models does the manufacturer say FN America Scar 16S Non-Reciprocating Charging Handle Conversion is compatible with? The manufacturer suggests that FN America Scar 16S Non-Reciprocating Charging Handle Conversion is compatible with FN SCAR 16SFN America 20-100504: Scar 16S Non-Reciprocating Charging Handle Conversion Kit Black