Smith and Wesson M&P40 10-rd Magazine

Features

1. Genuine S&W Factory Magazine — Built by Smith & Wesson to exact OEM specifications for guaranteed fit and reliable function in your M&P pistol.
2. 10-Round Capacity — Holds a full 10 rounds of .40 S&W or .357 SIG, making it compliant in capacity-restricted states.
3. Dual-Caliber Compatibility — Functions in M&P full-size pistols chambered in either .40 S&W or .357 SIG.
4. Steel Body Construction — Heat-treated steel tube with a black oxide finish stands up to hard use and resists corrosion.
5. Heat-Treated Spring — High-tensile steel spring delivers consistent feed pressure from the first round to the last.
6. Polymer Follower — Gray polymer follower glides smoothly inside the tube for dependable feeding and clean lock-back on the empty.
7. Numbered Witness Holes — Side-cut witness holes let you verify your round count at a glance during loading.
8. Black Polymer Base Plate — Impact-resistant base plate protects the magazine on hard drops and gives positive purchase during reloads.
9. Fits Full-Size M&P40 Pistols — Drops cleanly into M&P40 and M&P357 full-size frames with no fitment work required.