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Questions & Answers
Will it work with the Wilson Combat Grip Module Expert Answer

Yes, the Herrington Arms HA Sig P320 +5 Rounds Magazine Extension is compatible with Wilson Combat grip modules.

by Ethan, Gear Expert, May 1, 2024
Customer Reviews
Most Recent Reviews Looks great by Dylan, Verified Owner, October 12, 2024
Very happy with the look and ease of install. Performs flawlessly
Read 1 Review
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Product Info for Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension

With the Herrington Arms +5 SIG P320 magazine extension, there is no need to fear running dry in any situation where every shot counts. It works perfectly with 15,17, and 21 round magazines! This mag extension on a 17rd mag fits in the 141.25mm USPSA gauge!image

This highly durable mag extension is made of light yet very strong weapon grade 7075 aluminum. It works well in all weather conditions and wont break easily, even if dropped with a full magazine.

Specifications for Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension:

Manufacturer: Herrington Arms
Fabric/Material: 7075 Aluminum
Magazine Capacity: 5 Round
Caliber: 9mm Luger
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320
Gun Type: Pistol

Features of Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension

  • Your +5 Mag extension gives you that extra edge when you really need every round
  • The Flat Dark Earth Cerakote or full matte black anodized finish variants create an eye-catching contrast with your EDC weapon
  • The weapon grade 7075 aluminum provides a very light yet extremely durable product
  • It can take a lot of abuse and can be used extensively in IDPA-style competitive matches
  • This product comes with a lifetime warranty. No questions asked!
  • It can be installed without the help of a gunsmith

Package Contents:

  • Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension
  • Allen bottom plate
  • Key
  • Set screw
  • Pin
  • Extension body

Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension Orderable Models

List of Orderable Models

Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension, Black, 5MAGEXT320-BL/BL , MPN: 5MAGEXT320-BL/BL , UPC: 850043707059 , Code: 5NG-PME-5HTH-5MAGEXT320-BL-BL-5RD
Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension, FDE, 5MAGEXT320-FDE/BL , MPN: 5MAGEXT320-FDE/BL , UPC: 850043707158 , Code: 5NG-PME-5HTH-5MAGEXT320-FDE-BL-5RD
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