Trijicon® ACOG® 4x32 Scope for the M4 with TA51 Mount, 14.5" Barrel
NcSTAR® 4x32 mm Mark III Illuminated Reticle Tactical Scope, Weaver / Picatinny Mount
NcSTAR® 3 - rail Tactical 4x32 mm Scope
TA31RCO A4CP Trijicon® ACOG 4x32mm Scope for the M4 with TA51 20" Barrel Base
Trijicon® ACOG® 4x32mm Scope Yellow Illumination for the M4A1 with Flattop Adapter, ...