Overview Reviews Product Description Shield Arms Extended Magazine, S15 Gen 3, 9MM, 20 Rounds, Nitride Finish, Black, Fits Glock 43X/48, With +5 Baseplate S15-ME-5INS-G3-BLK Product Videos Product Reviews Write a Review Write a Review × Shield Arms MAG SHIELD S15 GLK 43X/48 W/+5 EXT Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *