Samson Manufacturing's one-piece, no-gunsmithing magazine well brings even more control. It allows you to establish a full firing grip which increases your control for rapid shot recovery. The magwell features beveling cuts for quicker reloads, an extended finger groove, and is constructed of 6061-T6 aluminum with a hardcoat anodized finish. This model has a black finish and is compatible with S&W M&P Shield 9/M&P Shield 9 M2.0.Samson Manufacturing's 1-piece, no-gunsmithing magazine well brings even more control to Smith & Wesson's M&P 9 SHIELD and M&P 40 SHIELD. You will be able to establish a full firing grip which increases your control for rapid shot recovery. Your expended magazines will now be allowed to drop-free without you having to adjust your grip. Beveling on the base of the magwell makes reloads quicker and fumble-free. More comfortable, easier to shoot and easier to reload. Features: M&P 9 shield, M&P 9 shield M2.0 and M&P 40 shield The only no gunsmithing magwell Beveled magwell cuts reload times Works with factory 8 round magazines or with the Samson +1 magazine extension (will not work with factory 7 round magazines) No permanent modifications to your pistol are required Extended finger groove allows full grip for increased control Allows magazines to drop freely