UTG RAIL PICATINNY AR-15 7"

2-PC DROP-IN CARBINE LENGTH FEATURES-7.28"L x 2.44"W x 2.44"H-Top rail extends to upper receiver to form continuous mounting platform-Clever top/bottom 2-piece design with integral spinal cords/alignment housing for perfect fit with barrel nut & round front cap-Made from aircraft aluminum with precision CNC machining & excellent anodizing/engraving-Fits carbine length Model 4/15 & provides 4 Picatinny rails each with 14 slots-Great zero-retention capability for all accessories installed on the rails-Easy installation with no modification to the barrel-Black rubber rail guards included-Proudly made in the USA