Upper Receivers & Rail Systems

Daniel Defense - MK18 Rail Interface System II, RIS II (Black)

Daniel Defense - MK18 Rail Interface System II, RIS II (FDE)

Aero Precision - AR15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE SL Mid-Length - FDE

Aero Precision - AR15 Complete Upper, 10.5" 5.56 Carbine Barrel w/ Pinned FSB, MOE SL Carbine - FDE

Aero Precision - M5 15" S-ONE M-LOK Handguard - Anodized Black

Aero Precision - AR15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE SL Mid-Length - Black

Aero Precision - AR15 15" ATLAS R-ONE M-LOK Handguard - Anodized Black

Daniel Defense - DD4™ RIII™S 11.5" Upper Receiver Group, Black or FDE

Daniel Defense - Omega Rail® 7.0, Picatinny

Daniel Defense - Omega Rail® 9.0, Picatinny

Daniel Defense - MK18 Upper Receiver Group - 10.3", 5.56mm NATO, Black or FDE

Daniel Defense - M4A1 Upper Receiver Group - 14.5", 5.56mm NATO, FDE

Daniel Defense - DDM4®300 S Upper Receiver Group - 10.3", 300 BLK

Daniel Defense - DDM4®V7® Upper Receiver Group - 16" 5.56 NATO

Daniel Defense - DDM4®V7® LW Upper Receiver Group - 16" 5.56 NATO

Daniel Defense - M4A1 Rail Interface System II, RIS II (Black)