Used for test fitment on 6 different magwells. Black in color.
Features:
• 23 rounds with the full size 9mm 17rd mag and the factory spring (No slide lock)
• 23 rounds with the full size 9mm 17rd mag and the extra power (Slide lock)
• 20 rounds with the compact 9mm 15rd mag and the factory spring
• 20 rounds with the compact 9mm 15rd mag and the extra power spring(not required)
Compatibility:
• M&P 9mm Fullsize 17rd magazines
• M&P 9mm Compact 15rd magazines
• M&P .40 S&W Fullsize 15rd magazines
• Works with M&P Competitor factory magwell
• Does not work on restricted capacity magazines
Product Overview:
Springer Precision has designed and created the 140mm extended capacity magazine for the Smith & Wesson M&P 9mm and .40 S&W using precise CNC machining methods that offer a lifetime of durability. The product is hard anodized in 4 options a we have a option for a Tan cerakote option. The unique locking mechanism allows for a very solid attachment with a simple backing out of the discrete set screw. These are specifically designed to work with our magwells and fit the USPSA 140mm magazine gauge. The unique attachment provides a sleek low-profile design that is very stable and easy to remove.