Enhance your Glock's performance with the versatile magazine extension designed to fit mid to full-sized models. This high-capacity extension offers a +2 round increase for 9mm .40 and .357 calibers while providing a +1 round boost for .45 GAP. Ideal for those seeking additional firepower without sacrificing reliability or handling this extension is perfect for competitive shooting or personal defense. Made from durable materials it ensures a secure fit and smooth feeding giving you the confidence to perform at your best.