Shop › MAG SHIELD S15 STRTR KIT 15RD W/MR MAG SHIELD S15 STRTR KIT 15RD W/MR $41.40 Shield Arms Magazine, S15 Gen 3, 9MM, 15 Rounds, Nitride Finish, Black, Fits Glock 43X/48, Includes Steel Magazine Release S15-STARTERKIT-G3 Quantity: Add To Cart Added! Shield Arms Magazine, S15 Gen 3, 9MM, 15 Rounds, Nitride Finish, Black, Fits Glock 43X/48, Includes Steel Magazine Release S15-STARTERKIT-G3