TacStar 10-round Shotgun Magazine Extension

by TacStar Industries
Out of Stock

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ITEM# 13130151
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ITEM#: 13130151

This TacStar Shotgun Magazine Extension allows for five extra rounds, giving you ten total. This extension fits Remington 870, Remington 1100/ 11-87, and Winchester 1200/ 1300 Defender and Black Shadow shotguns.

  • For 12 gauge shotguns only
  • Machined from super-strong chrome moly steel tubing
  • Easy to install, no gunsmithing required
  • Can be removed to return the gun to the original configuration
  • Barrel/ magazine clamp
  • Includes a specially calibrated spring
  • Three models to choose from
  • Remington 870 12 gauge (14.06 inches long x 1.25 inches wide x 1.25 inches high)
  • Remington 1100/ 11-87 12 gauge (14.13 inches long x 1.19 inches wide x 1.19 inches high)
  • Winchester 1200/ 1300 Defender and Black Shadow 12 gauge (14.06 inches long x 1.19 inches wide x 1.19 inches high)

Before purchasing this product, please familiarize yourself with the appropriate state and local regulations by contacting your local police dept., legal counsel and/or attorney general's office. You, as the buyer, not Overstock.com, are responsible to understand your local, state, and federal laws before placing an order.


Material Stainless Steel
Type Shotgun
Capacity 10 rounds
Dimensions See Details
Warranty 1 year Limited Manufacturer
Model Number 1081179
Country of Origin United States
  • Most Recent

  • Junk
    Verified Purchase

    This product was junk, was built poor, could not even uses it

    Read More
  • The ex mag is great
    Verified Purchase

    A++++++++++++++++++++++++++++++the shotgun mag ex is great

    Read More
  • Awesome Product!!
    Verified Purchase

    Fit Perfectly and is built very durable, adds quite a bit of weight to the gun but other than that, 5 STARS!!!

    Read More

Questions & Answers

  • Q:

    "that dose not answer the question..what is the minimum barrel length to use the 10 shot magazine extension?..IE..I have a 18inch barrel on my rem 870..will this extension work with that?"

    • A:

      the magizine would be longer then your barrel, i put it on a 28 inch barrel and i had just 3 inches to spare.... you could put it on , it would work but it would be ugly as sin. plus tacstar is junk

  • Q:

    "what is the minimum barrel length to use the 10 shot magazine extension?"

    • A:

      This item is for For 12 gauge shotguns only. It is compatible with Winchester 1200/ 1300 Defender and Black Shadow 12 gauge (14.06 inches long x 1.19 inches wide x 1.19 inches high)

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. For the return policy on a Marketplace item, please refer to the Seller’s individual policy, located on the product page by clicking on the Seller name. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.