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SIG SAUER Mag Catch Assy Kit, Ambi, M400

SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516
SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516
SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516
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SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516
SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516
2 of 2 images
SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516

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Questions & Answers
Will this fit any AR 15 lower? Expert Answer

Yes this should fit any mil spec AR15 lower

by Matt S., Gear Expert, December 19, 2017
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Works perfect! by Michael Grinager, October 20, 2018
Designed for SIG's M400 / 516 this release will work with any AR receiver. Installation is a breeze, no different than a regular magazine release. It doesn't interfere with the bolt catch. The quality and finish are unsurpassed. It's a sweet upgrade....
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Most Recent Reviews
For us leftys. by Scott, April 28, 2018
As a lefty, your standard AR wasn't made for me. I was suprised at the left handed options out there and I'm adding them all. This sig item should fit any AR not just Sig AR models. Easy release. Enjoy.
Most Recent Reviews
Best AMBI safety by Eric Couture, Verified Owner, March 29, 2018
I've looked at a lot of different ambi safeties and ergonomically this one is my favorite. Perfect position for where my left hand ends up. Like I said, best ambi safety in my honest opinion. It's a little stiff at first but it works in really easily...
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Most Recent Reviews
Great add-on for Lefties and People with short fingers by AM, Verified Owner, February 28, 2018
I am a Leftie however when it comes to Golf and Shooting, I become a Rightie. Not for any other reason except that when I was younger, the pawn shops had far more choices in right handed items, and so I learned both to play and shoot right handed. I ...
Read More...
Read All 4 Reviews

Code: SD9-MRC-B6B65EF1-60F1F470

MPN: MAG-CATCH-ASSY-KIT-M400-516

UPC: 798681503742

Product No Longer Available

Product Info for SIG SAUER Mag Catch Assy Kit, Ambi, M400

Mag Catch Assy Kit, Ambi, M400, 516image

Package Contents:

  • SIG SAUER Mag Catch Assy Kit, Ambi, M400

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SIG SAUER Mag Catch Assy Kit, Ambi, M400 Unavailable & Discontinued Models

List of Unorderable Models

  • SIG SAUER Mag Catch Assy Kit, Ambi, M400 - MAG-CATCH-ASSY-KIT-M400-516 , MPN: MAG-CATCH-ASSY-KIT-M400-516 , UPC: 798681503742 , Code: SD9-MRC-B6B65EF1-60F1F470
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Last updated 2026-08-15 UTC.