PROMAG : PROSMI23 S&W M&P MAGAZINE - 9MM - 10 ROUND - STEEL - BLUE
Description:
- Double-stack magazine
- Constructed from heat-treated blued-steel
- Follower, lock-plate, and base-plate molded from a proprietary DuPont® Zytel™ based black polymer
- Spring wound from Chrome-silicon wire and heat-treated for strength and reliability