Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell Black. 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. What more could you ask for? Smith & Wesson and M&P are federally registered trademarks of Smith & Wesson Corporation. Samson Manufacturing Corp. is a manufacturer of firearms parts and accessories and is not associated with or sponsored by Smith & Wesson. Specifications for Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell: Manufacturer: Samson Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P 40 Shield Smith & Wesson M&P 9 Shield Condition: New Width: 0.97 in Height: 0.71 in Length: 2.2 in Weight: 0.5 oz Features of Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell M&P9 SHIELD & M&P9 SHIELD M2.0 The only no-gunsmithing magwell Beveled magwell cuts reload times Works with factory 8rd magazines or with the Samson +1 magazine extension No permanent modifications to your pistol are required Extended finger groove allows full grip for increased control Allows magazines to drop freely. Patent Pending Package Contents: Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell What firearm models does the manufacturer say Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell is compatible with? The manufacturer suggests that Samson Smith & Wesson M&P9/M&P40 Shield Compact Magwell is compatible with Smith & Wesson M&P 9 Shield Smith & Wesson M&P 40 ShieldSamson 04-06028-01: Smith & Wesson M&P9/M&P40 Shield Compact Magwell Black