The Cylinder & Slide Glock Ambidextrous Magazine Release is a drop in part that fits all models (Gen 3 or earlier) and calibers of the Glock. The factory wire magazine catch spring must be replaced with the included extra power magazine catch spring. The ambidextrous magazine release cam on the right hand side of the pistol does not interfere with right hand use of the pistol.
Note: The magazine release will fit all Gen 3 or earlier models and 9/40 frames.
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