The advantage of the CR6940 is unmatched. The CR6940 displays fresh ingenuity with MilSpec hammer and trigger pivot pins a Magpul MBUS iron sight and a folding front sight for enhanced optical solutions a straight gas tube and a removable lower rail which provides modularity for under mounting accessories. The patented onepiece monolithic upper receiver incorporates a continuous MilSpec rail from the rear of the upper receiver to the front sight. This feature affords unmatched repeatability for mounting optical systems not found with separate handguard rail systems. Designed with accuracy in mind its true freefloating barrel provides the enhanced accuracy necessary for longrange acquisition capability.- CALIBER .223 REM/5.56MM NATO- MAGAZINE (1) 30rd capacity- BARREL 16" w/ A2 Flash Hider- HANDGUARD Monolithic Carbine - SIGHTS Front A2, Rear MBUS- STOCK 4 Position Carbine Collapsible