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Questions & Answers
What shield magazines are compatible with this mag extension? Is the 7 or 8 round compatible?

I believe its compatible with both. They shoe a picture of the item installed on both magazines.

by JoeyV, Verified Owner, June 13, 2025
Color:
Black
Magazine Capacity:
1 Round
Caliber:
.40 S&W, 9mm Luger
Gun Make:
Smith & Wesson
Gun Model:
Smith & Wesson M&P Shield

Code: 3TF-PME-XTT1-XT3015601-1RD

MPN: XT3015601

UPC: 856822007396

List: $27.99Save 29%
$19.99

Product Info for XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension

The MTX Magazine Extension for the M&P Shield adds +2 rounds for 9mm and +1 for .40 S&W. Designed for EDC, duty, or tactical use, this patented extension ensures flawless feeding and installs in seconds. Compatible with factory magazines, it features a consistent internal wall and includes a custom-engineered spring for 9mm models, ensuring reliability and last-round slide hold open. The ergonomic design provides improved grip while maintaining a compact profile. California compliant.image

Specifications for XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension:

Manufacturer: XTech Tactical
Color: Black
Magazine Capacity: 1 Round
Caliber: 9mm Luger, .40 S&W
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P Shield

Features of XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension

  • Adds +2 rounds for M&P Shield 9mm, +1 round for .40
  • Patented design for smooth feeding
  • Custom-engineered spring (9mm) included
  • Compatible with M&P Shield factory magazines
  • Durable, drop-tested construction
  • California Compliant

Package Contents:

  • XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension

XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension Orderable Models

List of Orderable Models

  • XTech Tactical MTX M&P Shield 9mm 2 Round/.40 1 Round Magazine Extension, Black, 1, XTT125-BLK SHIELD MTX , MPN: XT3015601 , UPC: 856822007396 , Code: 3TF-PME-XTT1-XT3015601-1RD
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