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Questions & Answers
Will this fir the 320x compact? Expert Answer

This Strike Industries Modular Magazine Release is compatible with all P320 model pistols with the exception of models with Wilson Combat grip modules and the P320 X-Series, M17/M18, Nitron and .45 ACP.

by Ethan, Gear Expert, May 5, 2023
Any way to get just the extended piece? No idea how i did it but i lost mine. I’m an over achiever. Expert Answer

For a replacement part for the Strike Industries Modular Magazine Release for Sig Sauer P320 I recommend contacting Strike Industries.

by Hunter, Gear Expert, June 16, 2022
Customer Reviews
Helpful Positive Review
DOES NOT FIT X SERIES! by David, Verified Owner, September 10, 2019
Does not fit the X series, tried it on both of mine. Fits regular the P320 fine. I spent 45 minutes trying to sand it down to fit. I will be returning the one I did not sand as I want them for the X Series only.
4/4 found this helpful
Most Recent Reviews
P320 Extended mag release by Extended mag release, Verified Owner, July 24, 2025
Good extension however is a little tight is X series frame. Upon working the mag release several times it does loosen up as you go. Easy to install.
Most Recent Reviews
worked good until it wore out! by Val, Verified Owner, November 3, 2022
This has been a nightmare. What should be a simple item to replace and add caused a lot of headache and damage to FCU that has to be fixed. What had happened was the wear on the mag release would allow for normal slow mag release to be locked, once...
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Most Recent Reviews
great cheap extended release button by Niko, Verified Owner, April 8, 2021
Item is very fairly priced and provides a great customizable extended release feature. Texture is grippy and sharp. My only gripe is that it lacks the spring and plastic clip/detent, which you must purchase separately or carefully remove from your cu...
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Read All 4 Reviews
Gun Make:
SIG Sauer
Gun Model:
SIG Sauer P320
Color:
Black

Code: 3Q-EMR-MMRSS-SI-P320-MMR

MPN: SI-P320-MMR

UPC: 708747548075

List: $28.08Save 22%
$21.99

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OP Bucks$5.64

Product Info for Strike Industries Sig Sauer P320 Modular Magazine Release

The P320 is famous for its excellent ergonomics and high degree of modularity. Here at Strike Industries, they took it upon ourselves to see where they can improve this even more. The Modular Magazine release for the Sig Sauer P320 allows the user to add different sized extensions to the magazine release for better reachability and ergonomics. The advantage of the MMR over other extended magazine releases is the ability to hot swap extensions to suit the shooters needs without needing to take apart the entire assembly.image

WARNING: California`s Proposition 65

Specifications for Strike Industries Sig Sauer P320 Modular Magazine Release:

Manufacturer: Strike Industries
Gun Make: SIG Sauer
Gun Model: SIG Sauer P320
Color: Black
Fabric/Material: Stainless Steel

Features of Strike Industries Modular Magazine Release for Sig Sauer P320

  • Lightweight, dropin design
  • Durable stainless steel construction
  • QPQ black coated
  • 2 magazine button sizes to choose from

Package Contents:

  • Strike Industries Modular Magazine Release for Sig Sauer P320
  • x1 Modular Magazine Release body
  • x1 Extended button
  • x1 Set screw

Strike Industries Sig Sauer P320 Modular Magazine Release Orderable Models

List of Orderable Models

  • Strike Industries Modular Magazine Release for Sig Sauer P320, Black, One Size, SI-P320-MMR , MPN: SI-P320-MMR , UPC: 708747548075 , Code: 3Q-EMR-MMRSS-SI-P320-MMR
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