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Fnh

FN Five-Seven 5.7X28mm 20 Round Polymer Black Finish Magazine

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Replacement Extra

Magazine for the FN Five-seveN

Chambered 5.7x28mm

Cartridges

20-round Capacity

Detachable Magazine

Design

Polymer Construction

Black finish

$44.99
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SKU: 3866100030-818513003018

Overview

This detachable polymer magazine is intended as a replacement or spare for FN Five-seveN pistols chambered in 5.7x28mm. It holds 20 rounds and carries a black finish, making it a straightforward option for keeping an extra magazine on hand at the range or in the field. Built for the Five-seveN platform, it is suited to shooters who want a factory-matched magazine for routine carry, training, or backup use.

Why Hunters Choose the Fnh

Replacement Extra

Magazine for the FN Five-seveN

20-round Capacity

Supports extended shooting sessions

Detachable Magazine

Design for straightforward use

Polymer Construction

Keeps the design lightweight in

Black Finish

Clean, uniform appearance

Key Features

  • Replacement or extra magazine for the FN Five-seveN.
  • Chambered for 5.7x28mm cartridges.
  • 20-round capacity.
  • Detachable magazine design.
  • Polymer construction with black finish.
  • Fits FN Five-seveN models.

Best Used For

  • Five-seveN owners needing a replacement magazine for range sessions or routine carry setup.
  • Shooters wanting an extra 20-round detachable magazine for organized loading and faster reloads.
  • FN Five-seveN users keeping compatible magazines on hand for training or range rotation.
  • Owners of the Five-seveN pistol seeking a polymer magazine with black finish and factory fit.

Specifications

Blade FinishBlack
Brand FitFN
Caliber5.7x28mm
Capacity20
MaterialPolymer
ModelFive-seveN
Model FitFive-seveN
TypeDetachable

Pros

  • Replacement or extra magazine for the FN Five-seveN
  • 20-round capacity supports extended shooting sessions
  • Detachable magazine design for straightforward use
  • Polymer construction keeps the design lightweight in specification
  • Black finish offers a clean, uniform appearance

Considerations & Trade-offs

  • This magazine is model-specific for the Five-seveN, so it is not a general-purpose option for other firearms.
  • Capacity is fixed at 20 rounds, which may be more than some users want for a lighter or lower-profile carry setup.
  • The polymer construction keeps the description focused on function, but it also means this is not a metal-bodied magazine option.
  • It is a replacement or extra magazine rather than a complete accessory package, so it serves a narrow role in a loadout.

Suggested Comparisons

  • Pistol magazines
  • Spare magazines
  • Detachable magazines
  • Polymer magazines

Suggested Accessories

  • Magazine loader
  • Magazine pouch
  • Gun cleaning kit
  • Range bag

Frequently Asked Questions

Is this magazine made for the FN Five-seveN pistol?

Yes. The product is listed as a replacement or extra magazine for the Five-seveN, with model fit and brand fit both shown as FN Five-seveN.

What caliber is this magazine for?

It is specified for 5.7x28mm.

How many rounds does it hold?

The listed capacity is 20 rounds.

Is this a detachable magazine?

Yes. The product type is listed as detachable.

What material and finish are listed for this magazine?

The magazine is listed as polymer with a black finish.