MBX 40 Cal STI Magazines

The next generation of race ready competition style magazine made from
410 heat treated stainless steel for ultimate durability.
MBX Complete Magazines were designed to be competition ready with
exclusive features to meet the highest demands for today's shooters.
The MBX extreme tube features designed body contour running the
full length of the magazine for improved reliability and performance allowing for
a wider follower to improve stability. Also featuring round location holes for 10 & 24 and precision cut feed lips.

- 126mm .40/10mm magazines hold 18-19 rounds.
- 141.25mm .40 Cal/10mm magazines hold 20-21 rounds
- 171.25mm .40 Cal/10mm magazines hold 26 rounds

Select Magazine Size and Quantity Below

Grouped product items
MBX STI Style Complete Magazine 40 S&W 126mm
$121.00

warning-icon  WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov

The next generation of race ready competition style magazine made from 410 heat treated stainless steel for ultimate durability MBX Complete Magazines were designed to be competition ready with exclusive features to meet the highest demands for today's shooters. The MBX extreme tube features designed body contour running the full length of the magazine for improved reliability and performance allowing for a wider follower to improve stability also featuring round location holes for 10 & 24 and precision cut feed lips.
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FAQ - Frequently Asked Questions

Welcome to the Everglades Ammo FAQ! Here you'll find answers to our most asked questions. Still can't find quite what you're looking for, or have something we should know? Contact Us Here.
We're happy to help!

  • How is your brass cleaned?

    Most of our brass is cleaned in commercial vibratory machinery with non-abrasive
    ceramic media and brass-safe water and soap solution.
    This process leaves a very clean, dust free product that is great for loading.
    Some small batch brass is cleaned with traditional dry media and brass safe polish.

  • Where is this brass sourced?

    Most of our fired range brass is acquired from private, public and law enforcement ranges.
    It is then sorted and cleaned in our warehouse.

  • What are "pulled bullets"?

    Pulled bullets are bullets that have been loaded in to a case and then removed.
    Because they are not ‘new’, we can offer them at a discounted price.
    We purchase bullets from companies that specialize in this procedure.
    Additionally, we always thoroughly inspect pulled bullets to make sure they are in
    excellent condition before we offer them for sale.

  • Do you sort brass by headstamp?

    Some brass is sorted by headstamp and/or primer pocket size.
    This will be clearly stated in the product description.
    Otherwise, please assume brass is random mixed headstamp governed by incoming brass supply.

  • What does the Bullet Version mean?

    The versioned bullets are a way for us to differentiate bullets with similar characteristics.
    ​For example, a 223 55gr FMJ. We often have two or three types of this bullets available.
    Even though the main description is the same, each version has slightly different profile and
    consistency characteristics. You can use the price, product description and reviews to help you
    decide which one is right for you. When you need more bullets, the version number will allow you to
    reorder the same bullets consistently.

  • What does "FMJ", "JHP" etc. mean?

    We use these terms to categorize our bullets:

    BT - Boat Tail
    CMJ* - Complete Metal Jacket
    FMJ - Full Metal Jacket
    FP - Flat Point
    JHP - Jacketed Hollow Point
    JSP - Jacketed Soft Point
    LRN - Lead Round Nose
    RN - Round Nose or Rounded Nose for JHP Style Bullets
    SWC - Semi Wadcutter
    SP - Spire Point
    * Some companies use the term CMJ and Plated interchangeably. We do not.
    CMJ bullets are true Jacketed bullets that have an additional jacket covering the exposed lead.

    All of our Plated Bullets will clearly be listed as such in the name and product description.

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