Answers for How many magazines does this retrofit, and what are the capacities?

+1-800-504-5897 Help Center Check Order Status

About Us Policies Reviews How To

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

Shopping Cart

Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories + Magazine Extensions Faxon Firearms Magazine Extensions Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories + Magazine Extensions Faxon Firearms Magazine Extensions + Pistol Magazine Extensions Faxon Firearms Pistol Magazine Extensions Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the

Please enable JavaScript in Your Browser JavaScript is not currently enabled in your browser and due to this our site will not work as it should. While JavaScript is disabled, you will not be able to add items to your cart or browse all product options. Our site is powered by industry leading security standards for your protection.
If possible, please enable JavaScript in your browser for the best possible experience. If you cannot enable JavaScript or you are having technical difficulties, please — we are always here to help!

Name

Faxon Firearms Modular G19 9mm Combo Mag Extension

$70.00 $58.50 Save 16%

View Product

Write a Review

Provide Your Answer

Continue As a Guest

Email

Nickname

Country

State

Saving...

Sign In or Create an Account (optional)

or Register

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

Manufacturer Answer

A

Answered by Faxon Firearms, Manufacturer from OH, United States, on January 14, 2026

This kit ships with enough parts to retrofit one magazine, leaving you with the option to convert to a +3 or a +5 magazine.

Was it helpful to you? Yes | No

Share

Compare

Compare

Compare

Compare

Compare

Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories + Magazine Extensions Faxon Firearms Magazine Extensions Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the Faxon Firearms + Weapon Accessories Faxon Firearms Weapon Accessories + Magazine Extensions Faxon Firearms Magazine Extensions + Pistol Magazine Extensions Faxon Firearms Pistol Magazine Extensions Faxon Firearms Modular G19 9mm Combo Mag Extension Faxon Firearms Modular G19 9mm Combo Mag Extension Q&A Question - How many magazines does this retrofit, and what are the