Don’t forget to explore our extensive category of OEM parts and Glock accessories. From such Glock mag releases and other accessories, explore an extensive inventory of Glock accessories at Rock Your Glock. This replacement part is a factory original from Glock. The Glock magazine release button is actually a single L-shaped piece that runs from the left side of the frame to the right. AR-15 Extra Power Mag Spring to reduce Failure to Feed Malfunctions. The Ghost Inc. X MAG -Extended Magazine Release, is designed so that you can drop a magazine without changing your firing grip and so you do not have to modify your Glock's frame. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. ... GLOCK - Magazine Catch Spring. Your Price. Please Update your browser for the best experience. Integrated Systems Management Inc., Gunsprings made in the U.S.A. World Class Springs for World Class Shooters. Glock OEM Extended Slide Release & Extended Magazine Release Gen 1-3 9MM/40/357. Quick install of the Glock extended magazine release to make your reloads so much easier.