Rainier Arms Urban Combat Rail features MLOK slots at the 3,6 & 9 o'clock positions for adding user defined rail sections. Anti-Rotate QD sockets are provided on each end of rail at the 3 o'clock & 9 o'clock positions.
Features
Rail- 6000 series extruded Aluminum Milspec Type 3 Class 2 Hard Black anodized
DPMS High Profile
Barrel Nut- 7075 Aluminum Type 3 Class 2 Hard Anodized