Shop › GHOST EXTENDED MAG REL FOR GLK GEN4 GHOST EXTENDED MAG REL FOR GLK GEN4 $14.35 Ghost Inc. Tactical Extended Magazine Release, Black, Fits Glock Gen 4 and 5(9MM, 40S&W, and .357SIG), Will Not Fit Glock 43 or 48 GHO_G4XRL Quantity: Add To Cart Added! Ghost Inc. Tactical Extended Magazine Release, Black, Fits Glock Gen 4 and 5(9MM, 40S&W, and .357SIG), Will Not Fit Glock 43 or 48 GHO_G4XRL