Enhance your shooting experience with the Springfield EC6018C Echelon 18-Round Extended Magazine, designed for reliability and performance. Crafted from high-quality stainless steel, this magazine is built to withstand rigorous use while delivering optimal functionality. The extended polymer basepad not only improves grip during tactical reloads but also enhances magazine retention, making it an essential accessory for any firearm enthusiast. Fits Echelon 4.0 Compact Stainless Steel Construction Numbered Witness Holes for Quick Round Count Experience unmatched reliability with the Springfield EC6018C Extended Magazine, a perfect companion for your Echelon 4.0 Compact.