Warne Smith & Wesson M&P 9mm/.40 S&W Magazine Extension Kit, +5/+4 Rounds, Flat Dark Earth

Key Features

  • Fits Smith & Wesson® M&P® 9mm or .40 S&W original factory magazines
  • Provides +5 capacity when used with 9mm, +4 capacity when used with .40 S&W
  • Includes Extension, performance spring and follower
  • Made from anodized aluminum
  • Ergonomic shape allows for better insertion/removal and comfortable shooting
  • Meets USPSA 141.25mm legal length
  • Designed and made in USA

The Warne® Magazine Extension Kit replaces your magazine's existing baseplate to give your M&P a major capacity "boost." Made from anodized aluminum, the Extension Kit features an ergonomic shape that's comfortable in your hands and allows for easier mag swaps.

PLEASE NOTE: Magazine not included.

  • Fits Smith & Wesson® M&P® 9mm or .40 S&W original factory magazines
  • Provides +5 capacity when used with 9mm, +4 capacity when used with .40 S&W
  • Includes Extension, performance spring and follower
  • Made from anodized aluminum
  • Ergonomic shape allows for better insertion/removal and comfortable shooting
  • Meets USPSA 141.25mm legal length
  • Designed and made in USA

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Key Specifications

  • Item Number: 743475
  • Fits: Smith & Wesson M&P 9mm/.40 S&W
  • Material: Anodized aluminum
  • Finish: Flat Dark Earth
  • Mfg. Number: 3313
Warne Smith & Wesson M&P 9mm/.40 S&W Magazine Extension Kit, +5/+4 Rounds, Flat Dark Earth
Warne Smith & Wesson M&P 9mm/.40 S&W Magazine Extension Kit, +5/+4 Rounds, Flat Dark Earth
$44.99 / $40.49 Member
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