MBX Magazines

“NEW” Ultra Max Competitio​n Follower

The Next Generation of High Performance Competition Ready Magazines for STI/SVI & all 2011 Style Pistols:

MBX Magazines – designed to be Competition Ready with exclusive features to meet the highest demands for today’s shooters.

Made from Heat Treated 410 Stainless for Ultimate Durability. No spacer required for 9mm/.38 magazines.

Designed to work exclusively with MBX Base Pads, Springs, and Followers. These tubes may not work with other manufacturers’ components.

Witness holes on rear of tube to indicate round count for all tubes.

• 141.25mm .40 Cal/10mm magazines hold 20-21 rounds
• 141.25mm 9mm/.38 magazines hold 23-24 rounds
• 171.25mm 9mm magazines hold 30

MBX mags are designed to work with STI/SVI & all 2011®/double stack style pistol grips and mag catch height. Concerning the New STI grips due to the reworking on some models, MBX cannot guarantee their magazines will drop-free and the grip may need to be adjusted.

Please do not attempt to purchase large capacity magazines if you reside in a location where you may not legally possess them (Hawaii, Massachusetts, New York, Colorado) please check laws for your state. Click Here for more information.