FEATURES:
-Fits all Glock's gen. 1-4 including the 42 and 43
-Only maritime cups available that will make your Glock the most reliable
-Permits the firing pin to bypass water, oil, & debris through the firing pin channel
-Creates voids for the fluids or debris to pass through
-Insures reliable firing even under water
-Lessens the friction in the Glock firing pin channel
-Use for all lawful activities