FEATURES:

SA double-stack 10-rd magazine for the Smith & Wesson M&P series of pistols in caliber .40S&W. Constructed from heat-treated blued-steel with a follower lock-plate and base-plate molded from a proprietary DuPont Zytel based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability. Made in the U.S.A.

Brand: ProMag
Category: Magazines
Model: Standard
Fits: Smith & Wesson M&P 
Caliber: .40 S&W
Capacity: 10 Rounds 
Body Material: Steel 
Spring Material: Heat Treated Chrome-silicon Wire 
Follower Material: DuPont Zytel Based Polymer 
Follower Color: Black 
DuPont Zytel Based Polymer Baseplate
Finish: Blued