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Questions & Answers
Is there a winchester 1400 tube extension by Carlson's? Expert Answer

Carlson's does not make a Magazine Extension for the Winchester 1400.

by Hunter, Gear Expert, November 7, 2022
Will this fit Winchester defender Sxp 18 inch barrel Expert Answer

The Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension will not fit an SXP Defender. There is not a model for the Winchester SXP Defender.

by Hunter, Gear Expert, September 15, 2022
Customer Reviews
Helpful Positive Review
7 rounds EASY by PAUL, May 13, 2019
Unlike the review before me, I took the 3 round restriction plug out of my shotgun before I put my extension on. I am able to fit 5 rounds in the magazine tube before I even installed the extension tube, + 2 =7. False Advertising? I think maybe, Oper...
Read More...
9/9 found this helpful
Helpful Positive Review
Great quality, nice price by SM, February 13, 2021
Well made kit, works on the 1200/1300 12ga or 20ga. If you use the supplied follower it only ads one round capacity, however if you use your original follower you can get two rounds, but you will need to cut some coils of the spring too.
1/1 found this helpful
Most Recent Reviews
super easy to install, less than 5 minutes. It fed reliably all 7+1 rounds
Most Recent Reviews
Extended tube. by Gogunall, Verified Owner, February 13, 2024
Very good quality built product.! Fit well and looks great.!
Most Recent Reviews
False advertising by Ren, January 21, 2019
I gave a 2 star review because of false advertising.I bought what I thought was a 7 shot extension tube for a Winchester 1200. It was very easy to install. After installing I was only able to fit 5 rounds in magazine with parts sent and.... advertis...
Read More...
0/8 found this helpful
Most Recent Reviews
You should buy this by N-Angel, February 24, 2023
I always wanted a higher mag capacity on my 1300. This kit was so easy to install and it works great! Now I can load up 7+1 and it looks like more beefy. I love it and highly recommend it. Just use the stock follower, not the big orange one which com...
Read More...
Read All 6 Reviews
Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers. See promotion details.
Color:
Black
Finish:
Blued
Magazine Capacity:
7 Round
Gun Make:
Winchester
Gun Model:
Winchester Model 1200, Winchester Model 1300
Included Accessories:
Base Clamp, High Visibility Follower, Spring

Code: 8C-MZX-04503-04503-7RD

MPN: 04503

UPC: 723189045036

15%
Product Discount
List: $88.95Save 15%
$75.49

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension

Carlson's Shotgun Magazine Extensions For Home Defense, Tactical and Law Enforcement Use, 12ga Onlyimage

Add firepower to your favorite shotgun. These magazine extensions are constructed of blued solid steel and come with spring, base clamp with swivel stud (included) to work with quick detachable swivel (not included), and a high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy to follow instructions are included. The magazine extension tube is great for home protection, competition shooting, and law enforcement. See chart below for the make/model and the magazine capacity.

Overall Length of Extensions: 04500 (8.25-inch), 04501 (10.5-inch), 04502 (6.25-inch), 04503 (6.375-inch), 04504 (14.25-inch), 04505 (8.25-inch), 04506 (6.25-inch), 04507 (8.25-inch), 04508 (5-inch), 04510 (13.88), and 04511 (8.5-inch), 04512 (8.38-inch), 04513 (8.13-inch), 04514 (14.13-inch), 04515 (8.13-inch), 04516 (14.13-inch), 04517 (8.5-inch), 04518 (14.25-inch)

**Magazine round count is for the total capacity using 2 3/4-inch shells including 1 in the chamber, when using 3" shells you lose 1 shell capacity. When using 3 1/2" shells you lose 2 shell capacity.**

Example: 8 shot extension= is 7 (2.75" shells) in the extension and 1 in the chamber, 6 (3" shells) in the extension and 1 in the chamber, or 5 (3 1/2" shells) in the extension and one in the chamber.

**Remington extensions require removal of tabs / detent in magazine tube on newer model shotguns**

All extensions are 12 gauge only.

Specifications for Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension:

Manufacturer: Carlson's Choke Tubes
Color: Black
Finish: Blued
Fabric/Material: Steel
Magazine Capacity: 7 Round
Gun Make: Winchester
Gun Model: Winchester Model 1200, Winchester Model 1300
Included Accessories: High Visibility Follower, Base Clamp, Spring
Length: 6.375 in
Country of Origin: USA
Gauge: 12

Features of Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension

  • Winchester 1200/1300 Magazine Extension 7 Shot

Package Contents:

  • Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension
  • barrel clamp plus & spring

Carlson's Choke Tubes Winchester 1200/1300 7-Round Magazine Extension Orderable Models

List of Orderable Models

  • Carlson's Choke Tubes Magazine Extension Assembly, Winchester 1200/1300, 12 gauge, 7-Round, Black, 04503 , MPN: 04503 , UPC: 723189045036 , Code: 8C-MZX-04503-04503-7RD
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