+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Q&A for Matador Arms Mag-X Conversion Caliber — 8 Questions & 8 Answers

Name Matador Arms Mag-X Conversion Caliber (3.5)
$149.99 $137.99 Save $12.00
View Product
Write a Review
Please keep questions related to the product! If you have questions regarding availability, pricing, or shipping options for this item, please contact our customer service team.
Need an answer right now?
Contact us!
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
or Register
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Q
Mark Weston jr, member, from CT, United States, asked on April 20, 2022

So I would have to get an ar9 upper ?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on June 09, 2023

Yes, the Matador Arms Mag-X SIG Sauer P320 Conversion Caliber is compatible with Mil-Spec AR15 lowers and 9mm upper with a Glock-cut bolt.

1 of 1 found the following answer helpful.
Was it helpful to you? Yes | No
Share
View 1 More Answer Submit Your Answer
Q
Steve, member, from IA, United States, asked on December 06, 2021

Which S&W magazines can be used with this adapter?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on January 26, 2022

The Matador Arms Mag-X - Magwell Adapter for AR-15 Mil-Spec Lowers will work with standard S&W M&P magazines.

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
jayceeCA2A, member, from CA, United States, asked on May 26, 2021

does this hold bolt open after last round is fired?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on August 30, 2021

Yes this should be able to hold open the bolt after the last round.

1 of 4 found the following answer helpful.
Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
Donald, guest, from VA, United States, asked on May 04, 2021

Is there any way to make this compatible with an FM9 upper?????

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 21, 2021

If you use the Glock version, it should be compatible: MDA-CNC-MGX-MAC138

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
Brenden, guest, from MO, United States, asked on November 02, 2020

Will taurus extended mags work with this product?

Expert Answer
A
Answered by Julia, Gear Expert, from IL, United States, on February 04, 2021

No, they will not.

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
TheAnalyst, member, from AZ, United States, asked on June 11, 2020

Do you have a Beretta 92/M9's Adapter or will the S&W Adapter work?

Expert Answer
A
Answered by Julia, Gear Expert, from IL, United States, on February 04, 2021

No, Matador Arms does not make a Beretta M9 adapter, and Smith & Wesson adaptors will likely not work.

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
Allan Acidera, member, from HI, United States, asked on June 04, 2020

This product can compatible with 45 acp with glock magazine?

Expert Answer
A
Answered by Julia, Gear Expert, from IL, United States, on February 04, 2021

No, it is only available for 9mm pistol mags at this time.

Was it helpful to you? Yes | No
Share
Submit Your Answer
Q
TGabeCZGuy, guest, from OR, United States, asked on January 01, 2026

The description says that CZ-75 Mags will work, later it only lists Glocks, is it a different adapter for CZ-75? No CZ-75 adapter on Matadors Website?

Continue As a Guest
Saving...
Sign In or Create an Account (optional)
or Register
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.