Engineered for seamless integration, this extension is machined from high-strength blued steel, ensuring it withstands the rigors of heavy recoil and harsh outdoor conditions. The kit includes everything required for a professional-grade upgrade: the extension tube itself, a high-tension steel spring, a follower, and a barrel clamp for added structural support. This extension provides the peace of mind that comes with knowing you have the maximum legal shell capacity for your specific hunting setup. Whether you are running tight stands or quick follow-up shots on moving targets, this Carlson's upgrade is a proven choice for Winchester 1200 and 1300 series shotguns.
Key Features:
- Increased Firepower: Extends your shotgun's internal capacity to a 7-round configuration, minimizing reload downtime during high-activity stands.
- Professional Kit Components: Includes the extension tube, a heavy-duty magazine spring, a replacement follower, and a barrel clamp to ensure structural integrity and consistent feeding.
- Robust Steel Construction: Manufactured from premium blued steel to provide superior durability and long-term resistance to the corrosive elements found in the field.
- Perfect Fitment: Specifically engineered for the Winchester 1200 and 1300 series, ensuring smooth, reliable shell transition from the extension to the receiver.
- Easy Maintenance: The simple, modular design allows for quick removal and cleaning, keeping your internal feeding system operating at peak performance.
- All extensions are 12 gauge only
- Check your state and local laws, and hunting regulations before purchase or use. Some localities restrict magazine capacities and or possession of magazine extensions.
Technical Specifications:
- Brand: Carlson's Choke Tubes
- Part Number: 04503
- Compatibility: Winchester 1200 and 1300 Series Shotguns
- Material: Blued Steel
- Capacity: 12 ga Only, 7-Shot Total Configuration ***Magazine round count is for total capacity using 2 3/4" shells and 1 in the chamber***
- Included Parts: Magazine Extension, Magazine Spring, Follower, Barrel Clamp
Carlson's Magazine Extension FAQ
Yes, this kit is all-inclusive. It comes with the extension tube, a new high-tension spring, a custom follower, and a barrel clamp to provide the necessary support for your extended magazine.
Yes, this specific part number (04503) is precision-machined specifically for the Winchester 1200 and 1300 series shotgun magazine tube threads.
Yes. While this product increases your physical capacity, hunting regulations vary significantly by state and species. Always check your local and federal game laws regarding maximum magazine capacity for the specific game you are hunting before heading into the field.
