5, 7, 9 Slot CNC Aluminum Picatinny/Weaver Rail Section Keymod Type RSK-5/7/9B

Aluminum Picatinny/Weaver Section Rail
Black color
Universal round shape screw
High quality made of CNC aluminum T6061.
For Keymod Handguard  Accessory rail section
Ideal for attaching lights, laser, optics, bipods, and forward grips
Fits  21mm picatinny/weaver rail
Width:   0.82 inch (21mm)
Height:   0.35 inch (9.8 mm)

5 Slots
Length:  2.25 inch (57.2mm)
Weight:  20 g

7 Slots
Length:  3.05 inch (77.5mm)
Weight:  25 g

9 Slots
Length:  3.84 inch (97.5mm)
Weight:  33 g

Package:
3pcs Section Rail(5,7,9,each) + screw+Wrench