Overview Reviews Product Description ZEV has a full catalog of internals to upgrade your frame. Extended slide locks, slides releases and extended magazine releases make your firearm much easier to use.Features :For Glock Gen 1-4Black Product Videos Custom Field Product Reviews Write a Review Write a Review × ZEV Technologies Zev Ejector Housing 9mm Black Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *