The Strike Industries spare magazine holder for Sig Sauer P320 is designed for quick and convenient access to a spare magazine, easily mountable on most P320 grip modules with minimal effort. Featuring locking retention for seamless magazine changes, it securely attaches to a picatinny rail at a 5 degree forward angle for optimal accessibility. Included for your convenience is the SI Modular Magazine Release (MMR), pre-installed and ready-to use. Additionally, an extended button is provided for customization to suit different preferences. Crafted from high-quality, lightweight polymer, the magazine holder is built to withstand daily use and environmental conditions, ensuring long-lasting durability. With its straightforward installation process, the Strike Industries Spare Magazine Holder offers a reliable and accessible solution for carrying an additional magazine. Choose the Strike Industries Spare Magazine Holder for Sig Sauer P320 to ensure you have the reliability and convenience you need for your firearm setup.