The M17 Reset Block Spring fits the M17 and M19 pistols from KWA. This spring is also listed as the Hammer Reset Spring, Part 76 for the ATP.
KWA M17 Reset Block Spring Part 20 Features:
-Genuine KWA OEM Part
-Compatible with ATP
-ATP Hammer Reset Spring Part 76
-Fits M17, M19, and others
KWA OEM Repair Parts are specifically designed for precision fit and finish in KWA GBB pistols and magazines. Keep your pistol performing like the day you bought it with KWA OEM parts