S&W M&P 9/40, Red, Capacity +3/9mm, +2/.40



Not available for shipment to CA, CO, CT, D.C., HI, MD, MA, NJ, NY, WA, VT
  • +3 Capacity.
  • Red
Current Stock:

Out of stock

Key Features:
Best Uses:


Available in Several Colors.
Firearm Specific Fitment.
Designed and MADE IN USA

Upgrade for your Smith and Wesson a Red Warne® Magazine Extension for M&P 9mm and .40 handgun. These extensions increase your carrying capacity and elevate your shooting experience with their ergonomic design and precise fit. The 3310 Red S&W M&P Mag Extension adds 3 rounds of 9mm or 2 rounds of .40 to your S&W M&P Factory Magazine. Are you using your M&P for competitive shooting? Those extra rounds could save you from having to reload at the end of pistol stage giving you a better score. 

Fits M&P, 9mm 17 round factory magazines. Magazine NOT included.

All Warne products come with a lifetime warranty. No receipt, no warranty card, no package - no problem so you can have confidence in your purchase, in your gear and with every shot.

WARNING & DISCLAIMER: Not for sale, possession, or use in any jurisdiction where the Warne® Handgun Magazine Extensions would violate applicable law or expand a firearm magazine capacity beyond the applicable limit. It is the responsibility of purchaser and user of the Warne® Handgun Magazine Extensions to know and comply with applicable firearms laws, including magazine capacity limits or modification of firearms. By acquiring Warne® Handgun Magazine Extensions, purchaser represents that Warne® Handgun Magazine Extensions can be lawfully used in purchaser’s state or local jurisdiction. Warne specifically disclaims all liability related to any possession, transfer (sale, gift, exchange or otherwise), use, or modification of this product that violates or would cause violation of applicable law.  Warne is not responsible for any harm or damage from misuse or modification of this product or from malfunction due to modification of any goods by use of this product contrary to specific Warne provided instructions and specifications.


Part Number:
TBD oz
M&P, 9mm 17 Round Factory Mags