19456UD Smith & Wesson M&P .40 and .357 Sig Compact 10 Round Magazine Used 310400000 The hammer block rises into

The hammer block rises into position to block the hammer's forward travel when the trigger is not pulled

N Frame models made after 1992 (dash-4 or higher)

Professional installation by a qualified gunsmith is recommended to ensure proper timing and function

This listing is for one used Smith & Wesson J Frame Model 37 Airweight cylinder in the old style configuration

19456UD Smith & Wesson M&P .40 and .357 Sig Compact 10 Round Magazine Used 310400000 The hammer block rises into19456UD Smith & Wesson M&P . 40 and . 357 Sig Compact 10 Round Magazine with Finger Grip Used Excellent Condition Smith & Wesson parts and accessories are made from high quality materials and made to last. Show your S&W pride while also using some of the best gear on the market. These magazines are perfect as a replacement or spare.