SIG MPX Mag Coupler with mags
SIG MPX Mag Coupler
SIG MPX Mag Coupler with mags
SIG MPX Mag Coupler
SIG MPX Mag Coupler

Oscar Delta Co.

SIG MPX Mag Coupler

$18.00 Sale Save

Clamp two SIG MPX magazines together using our simple and durable SIG MPX Mag Coupler. Our SIG MPX Mag Coupler is intended for use with any carbine that accepts factory or aftermarket SIG MPX magazines.

Insert your mags into the SIG MPX Mag Coupler, tighten the included bolt until the mags no longer shift, and you're ready to shoot.

The SIG MPX Mag Coupler includes a bolt and thread, securely holding your magazines in place; our grip tape ensures that your magazines don't shift while in use.

Our mag couplers may be compatible with replica airsoft magazines, however have not been specifically tested.

What's in the box:

  • 1x SIG MPX Mag Coupler (with M4 nut)
  • 1x M4 bolt

Flat rate $10 USD tracked shipping to the US - FREE over $75 USD subtotal for American customers!

After an order is submitted, it is estimated to take a minimum of 3-4 business days until your shipment is dispatched. Actual wait times may vary. Please reach out to us at if you experience any trouble with your shipment.

We currently ship to the United States, Canada, along with Central/South America and Europe.

How are your products made?

Each of our products are designed and 3D printed in-house using a high-strength polymer.

Are your products durable?

Our products are 3D printed out of a heat-resistant PLA+, often chosen in the 3D2A community for its durability and strength.

Can I put in a custom order?

If you're interested in putting in a bulk order or are looking to becoming a reseller, please reach out to us at!

Buy it with

AR Buffer Mount