Enhance your M&P Shield with the Faxon Firearms Duty Series Barrel a precision-engineered component designed for 9mm firearms. Crafted from robust 4150 CMV steel this barrel is built to withstand rigorous use while maintaining top-notch accuracy. The black nitride finish not only provides superior protection but also ensures smoother operation. With a 1:10 twist rate it optimizes bullet stabilization for improved shooting performance. This threaded barrel is an excellent upgrade for those seeking reliability and enhanced shooting experience.