S&W M&P 40 Magazine 20-Round Extended | Fits FPC & Full Size | 3006489
$59.99
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S&W M&P 40 Magazine 20-Round Extended | Fits FPC & Full Size | 3006489
$59.99
High-Capacity Performance
Maximize your firepower with the Smith & Wesson Factory OEM 20-Round Extended Magazine. Designed for the .40 S&W platform, this magazine offers the ultimate reliability that only a genuine S&W part can provide. Whether you are hitting the range with your M&P FPC or carrying a backup for your M&P 40 pistol, this high-capacity mag is built to perform.
Key Features:
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Factory OEM Quality: Manufactured to exact S&W specifications for flawless feeding and cycling.
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Extended Capacity: Holds 20 rounds of .40 S&W, significantly increasing your time between reloads.
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Durable Construction: Features a heat-treated steel body with a corrosion-resistant finish and a high-visibility follower.
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Integrated Spacer: Includes a sliding rubber spacer that creates a seamless grip when used in full-size pistol frames.
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Note: This magazine is designed specifically for .40 S&W models and is not compatible with Shield or Shield Plus models.
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Specifications:
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Manufacturer: Smith & Wesson
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Part Number: 3006489
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Caliber: .40 S&W
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Capacity: 20 Rounds
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Material: Steel / Polymer
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Condition: Factory New
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Compatibility Chart
This magazine is designed to work across the entire M&P 40 ecosystem.
| Model | Compatibility | Note |
| M&P FPC (Folding Pistol Carbine) | Perfect Fit | Ideal primary or backup magazine |
| M&P 40 Full Size (1.0 & 2.0) | Perfect Fit | Use included spacer for a flush grip |
| M&P 40 Compact (1.0 & 2.0) | Compatible | Will extend past the bottom of the grip |
| M&P 40 Sub-Compact | Compatible | Will extend past the bottom of the grip |
| Performance Center M&P 40 | Perfect Fit |