BudsGunShop.com - Internal Lock

No Joshua, S&W got smart on the M&P 2.0 version. They even took away the magazine disconnect. They are listening more to their customers than the lawyers. Good for S&W!

Joshua, no Sir, it does not. -- ((Specifications and Features)): Striker Fired - .40 Smith & Wesson - 4 " M2.0 Barrel - 1:10" Twist Rate - 13 Rounds - Standard White 3-Dot Steel Sights - Crisp M2.0 Trigger - Tactile and Audible Trigger Reset - No Thumb Safety - High Grip To Bore Axis - Optimal 18 Degree Grip Angle - 4 Interchangeable Palm Swell Grip Sizes - Stainless Steel Slide and Barrel with Armornite Finish - Polymer Frame - Overall Length 7.3" - Weight 25.3 Ounces Empty - Matte Black.

Joshua, no Sir, it does not.