ProMag SMI28 Standard 10rd Extended 9mm Luger Fits S&W M&P Shield Blued Steel (Except Shield EZ Variant) Dies Spring lock for 2 position

Spring lock for 2 position blade opening control

Can be used on most in-line muzzleloaders

Match Grade-RDF ammunition brings all of the ballistic advantages of the RDF bullet line to loaded ammunition

5mm thick SK-5 high carbon steel with no joint or seam

especially when using a hooking draw technique to catch the edge of the holster on the pocket as the handgun is released

ProMag SMI28 Standard 10rd Extended 9mm Luger Fits S&W M&P Shield Blued Steel (Except Shield EZ Variant) Dies Spring lock for 2 positionThis replacement or spare magazine is compatible with your S&W M&P Shield. It is constructed of heat treated steel with injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.