Enhance your SIG P320 M17 Full Size with the SIG SAUER MAG-MOD-F-9-21-COY - a premium 21-round steel magazine that epitomizes reliability and precision. This robust magazine ensures seamless compatibility and dependable feeding for your firearm, making it a must-have accessory for every serious shooter. 21-Round Capacity Steel Construction Fits Sig P320 M17 Full Size Equip your firearm with the reliability of SIG SAUER magazines and experience superior performance on the range.