ROBAR NP3 COATED GLOCK Factory Extended Slide Stop Lever And Spring For 10mm/.45 GLOCKs. This slide stop lever does not fit S, SF or Gen 4 models. Fits all of the following GLOCK models: 20, 21, 29 & 30.
This finish was done by Robar and NOT GLOCK Inc.
NP3 finish is an electroless nickel-based finish for steel, stainless steel and aluminum alloys that co-deposits sub-micron particles of PTFE (polytetrafluoroethylene), otherwise known as Teflon, with electroless nickel. NP3 permits firing for longer periods of time between cleaning, dirt and powder residue have no wet or oily surface to cling to. When cleaning is required, the effort needed is minimal - usually requiring only a soft cloth.