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If you're running a Benelli Nova, Beretta Extrema, or CZ 712/912, this Carlson's magazine extension gives you a straightforward way to add serious rounds without permanent modifications. The threaded tube simply replaces your factory magazine cap, which means no gunsmithing and no complications.
You get the complete kit right out of the box: the blued steel extension tube, replacement spring, base clamp with swivel stud for quick-detach attachment, and a high-visibility follower. Everything threads on where your cap used to be. Install time typically runs under 10 minutes, though taking your time to seat the spring correctly is worth the effort.
The extension is machined from solid blued steel that matches your gun's finish. This isn't a cheap aluminum knockoff. Reviewers consistently report that fit and quality look factory-done, and function has been reliable across thousands of rounds. The clamp sits under your barrel and locks things down tight with no creep or rattle.
With 2.75-inch shells, you get 8 total rounds (7 in the extension plus 1 in the chamber). Keep in mind that 3-inch shells will drop you to 6 total capacity, and 3.5-inch shells to 5 total. The extension adds about 8.25 inches to the end of your magazine, which sits roughly 2 inches past the barrel on a Nova. Some guys use the 7-shot option for a more balanced look, but if you want maximum capacity, this 8-shot does the job.
Yes. This extension is designed for Benelli Nova and Super Nova models. Installation takes about 5-10 minutes, and you simply screw it on where your factory magazine cap was. The extension will extend roughly 2 inches beyond your barrel on a Super Nova, which is normal.
You go from 4 rounds to 8 total (including 1 in the chamber) when using standard 2.75-inch shells. If you run 3-inch shells, capacity drops to 6 total, and 3.5-inch shells will give you 5 total. The spec sheet labels it as 8-shot, but that's calculated with 2.75-inch rounds.
No. It's a simple threaded attachment that replaces your magazine cap. You'll deal with the spring—watch it doesn't launch across the room—but the whole job can be done without tools. Factory instructions are clear and straightforward.
It's solid blued steel with clean machining. Owners regularly comment that it looks like factory work and feels durable. The base clamp sits firmly under the barrel with no wobble, and the steel finish matches Benelli and Beretta guns well.
| UPC | 723189045074 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 04507 |
| Caliber/Gauge | 12 Gauge |
| Capacity | 8-Round |
| Length | 12.5000 |
| Model | |
| Shipping Weight | 0.67 |
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