Constructed from heat-treated, blued steel
Follower, lock-plate, & base-plate for loading
Components molded from DuPont black polymer
Spring is heat-treated for strength & reliability
This double-stack ProMag Smith & Wesson M&P-40 Magazine is constructed from heat-treated, blued steel. It is equipped with a follower, lock-plate, and base-plate molded from a proprietary DuPont Zytel-based black polymer for smooth loading. The magazine utilizes a spring wound from Chrome-silicon wire and heat-treated for strength and reliability. This double-stack ProMag Smith & Wesson M&P-40 Magazine is compatible with the Smith & Wesson M&P series of pistols in .40 S&W. Made in the USA.
Note: Shipping restrictions are active in AK, CA, CT, MA, MD, and NY for magazines with 11 or more rounds.