Carlson's Magazine Tube Extension Winchester SX2, SX3 12 Gauge 8-Round ParkerizedCARLSON'S$78.99
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CARLSON'S
The Carlson's Magazine Extension Tube for Benelli M4 12 Gauge adds serious magazine capacity to your M4 platform shotgun. This 7-round extension replaces your factory magazine cap, giving you the firepower boost you need for home defense, tactical training, or competitive shooting without replacing the entire gun. Built from solid steel with a parkerized finish, it's made to handle hard use and maintain a low-profile aesthetic.
Installation is straightforward—the threaded tube screws onto your magazine tube, and everything you need to get started comes in the box. Carlson's includes a spring base clamp with swivel stud, so you can attach a quick detachable sling (QD swivel sold separately) if your setup calls for it. The high-visibility follower makes it easy to see round count at a glance, and the whole assembly is designed to function reliably cycle after cycle.
Whether you're running your M4 for home protection, three-gun competition, or tactical training, this extension keeps you in the fight longer between reloads. The parkerized steel construction resists corrosion and plays well with modern shotgun setups, and the design respects the ergonomics of the Benelli platform.
| Product | Magazine Extension Tube |
| Manufacturer | Carlson's |
| Firearm Compatibility | Benelli M4 12 Gauge |
| Capacity | 7 rounds |
| Material | Solid steel |
| Finish | Parkerized |
| Included Accessories | Spring base clamp, swivel stud, high-visibility follower |
Yes, this tube is specifically designed for the Benelli M4 12 gauge platform. It threads onto your existing magazine tube and replaces the factory magazine cap.
The extension comes with the tube itself, a spring base clamp, a swivel stud for sling attachment, and a high-visibility follower. You'll need a quick detachable swivel (sold separately) if you want to run a QD-compatible sling setup.
No. The threaded design is straightforward to install—it simply replaces your magazine cap. Carlson's includes easy-to-follow instructions.
Yes. This extension is well-suited for home defense setups, as well as tactical training and competition shooting. The increased capacity gives you more rounds without swapping guns.
CARLSON'S
The Carlson's Magazine Extension Tube for Benelli M4 12 Gauge adds serious magazine capacity to your M4 platform shotgun. This 7-round extension replaces your factory magazine cap, giving you the firepower boost you need for home defense, tactical training, or competitive shooting without replacing the entire gun. Built from solid steel with a parkerized finish, it's made to handle hard use and maintain a low-profile aesthetic.
Installation is straightforward—the threaded tube screws onto your magazine tube, and everything you need to get started comes in the box. Carlson's includes a spring base clamp with swivel stud, so you can attach a quick detachable sling (QD swivel sold separately) if your setup calls for it. The high-visibility follower makes it easy to see round count at a glance, and the whole assembly is designed to function reliably cycle after cycle.
Whether you're running your M4 for home protection, three-gun competition, or tactical training, this extension keeps you in the fight longer between reloads. The parkerized steel construction resists corrosion and plays well with modern shotgun setups, and the design respects the ergonomics of the Benelli platform.
| Product | Magazine Extension Tube |
| Manufacturer | Carlson's |
| Firearm Compatibility | Benelli M4 12 Gauge |
| Capacity | 7 rounds |
| Material | Solid steel |
| Finish | Parkerized |
| Included Accessories | Spring base clamp, swivel stud, high-visibility follower |
Yes, this tube is specifically designed for the Benelli M4 12 gauge platform. It threads onto your existing magazine tube and replaces the factory magazine cap.
The extension comes with the tube itself, a spring base clamp, a swivel stud for sling attachment, and a high-visibility follower. You'll need a quick detachable swivel (sold separately) if you want to run a QD-compatible sling setup.
No. The threaded design is straightforward to install—it simply replaces your magazine cap. Carlson's includes easy-to-follow instructions.
Yes. This extension is well-suited for home defense setups, as well as tactical training and competition shooting. The increased capacity gives you more rounds without swapping guns.