The Rail Groove Finisher is our 3 flute GW Armory form tool for finishing the slots on a picatiny rail to size.
Rail Groove Finisher
3 Fl, 37° HLX | Ø.2125 IN. | .200 IN. LOC | .250 IN. SHK | 2.50 IN. OAL | ZrN COATED |CARBIDE END MILL
End Type: Square End
Length of Cut: 0.2
Cutting Diameter: 0.2125