FN FN M4A1 Block 1 SOCOM Upper Receiver Group, Military Collector, semi-auto 14.7" carbine - Complete MSRP: Was: Now: $1,375.00 - $1,595.00
FN FN M4A1 Block 1 SOCOM 5.56 NATO Upper Receiver Group, FN Engraved Upper, 14.5" Heavy Barrel MSRP: Was: Now: $1,585.66
