The Strike Industries P320MAGHOLDER is an ambidextrous magazine holder crafted from durable black polymer. It is compatible with all Sig Sauer P320 magazines, allowing for quick and easy access to a spare magazine. This holder can be mounted on most P320 grip modules with minimal effort. Equipped with locking retention, it ensures seamless mag changes and is securely fastened to a Picatinny rail at a 5-degree forward angle.