Spike's Tactical CRR Quad Rail AR-15 Handguard - 15"

Spike's Tactical BAR2 AR Rifle Rail 13.5" Free Floating, Black - SAR2113

Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, 9" Black Free Float BAR2 Rail - STU5025-R9S

Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, 12" Black Free Float BAR2 Rail - STU5435-R2S

Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, 12" Black Free Float SAR3 Rail - STU5035-S2S

Spikes Tactical 16" Upper 5.56x45mm 1:7 Quad Rail Mid-Length with BCG, Black - Enhanced Carbine Upper - STU5035CQ2F

Spikes Tactical 7" AR-15 Quad Rail Free Float, Black - SAR2107

Spike's Tactical BAR2 AR Rifle Rail 10" Free Floating, Black - SAR2110