This ProMag magazine (part no. SMIA22) holds 20 rounds of 10mm and is built to fit Smith & Wesson M&P 10mm-series pistols. It does not fit the 9mm M&P Shield, Shield Plus, or Shield EZ, so confirm your exact model before ordering.

Key Specifications

• Chambered for 10mm Auto.
• Holds 20 rounds per magazine.
• Built to fit Smith & Wesson M&P 10mm-series pistols.
• Does not fit the 9mm M&P Shield, Shield Plus, or Shield EZ.
• Magazine body constructed of heat-treated steel with a black-oxide finish.
• Uses an injection-molded polymer follower for reliable feeding.
• Weighs approximately 0.327 lb.
• Measures about 6.45 inches in length.
• Manufactured by ProMag.

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Frequently Asked Questions

How many rounds does this ProMag magazine hold? It holds 20 rounds of 10mm Auto.

Does this magazine fit the 9mm M&P Shield? No. It fits Smith & Wesson M&P 10mm-series pistols only, not the 9mm Shield, Shield Plus, or Shield EZ. Always confirm fit against your exact model before ordering.

Buy the ProMag S&W M&P 20-Round 10mm Handgun Magazine

Order it from our Lubbock, Texas gun shop for fast shipping direct to your door. Browse our full handgun magazines selection.