Description
Improved cylinder is the choke a lot of clay and upland folks reach for first, and Carlson's Sporting Clay version takes that open, forgiving pattern and tightens it up just enough to reward a well-centered break. The whole thing is CNC machined from a solid bar of 17-4 heat-treated stainless steel, so it shrugs off the moisture and residue that come with a full day of shooting. At roughly a .715 constriction, it sits in the sweet spot for close to mid range targets and flushing birds where you want a wide but dense spread rather than a pinpoint one.
What Sets the Sporting Clay Improved Cylinder Apart
The headline feature here is the parallel section, which Carlson's runs about 25 percent longer than a standard tube. That extra length lets the shot column settle and compress more gently before it leaves the muzzle, which translates to fewer flyers and a more uniform pattern than the flush mount choke your shotgun likely came with. In real terms you get more pellets doing work in the middle of the pattern, and that's what turns edge hits into solid breaks.
Fit and Handling on Benelli and Beretta Guns
This is a Mobilchoke-pattern tube built for Benelli and Beretta 12 gauge systems that use that thread. It extends about three quarters of an inch past the barrel with a knurled collar, so you can back it out and swap constrictions by hand without digging around for a wrench. The constriction is laser marked right on the end, which sounds like a small thing until you're standing at a station trying to remember which tube is in the gun.
Loads and Everyday Use
You've got room to run lead, copper plated, nickel, Hevi-Shot, bismuth, and tungsten through it, and steel is fine at this open constriction too. Despite the sporting clay name, plenty of people leave one of these in for pheasant and grouse, since it patterns better than a flush tube in the field just like it does on the course. Every Carlson's tube is made in the USA and backed by the company's lifetime warranty, so a damaged tube gets replaced rather than tossed.
Key Specifications
- Manufacturer: Carlson's Choke Tubes
- Manufacturer Part Number: 15513
- UPC: 723189155131
- Gauge: 12 Gauge
- Constriction: Improved Cylinder
- Diameter: .715 in
- Style: Mobilchoke / Sporting Clay (Benelli/Beretta)
- Material: 17-4 Heat-Treated Stainless Steel
- Design: Extended with knurled end and laser-marked constriction
- Parallel Section: 25% longer than standard tubes
- Compatible Shot: Lead, copper plated, nickel, Hevi-Shot, bismuth, tungsten, steel
- Country of Origin: USA
- Warranty: Lifetime
- Shipping Weight: 0.15 lb
What’s Included
- One Carlson's Sporting Clay Improved Cylinder choke tube (12 gauge, Benelli/Beretta Mobilchoke)
Frequently Asked Questions
Which shotguns does this Sporting Clay Improved Cylinder choke tube fit?
It's built for Benelli and Beretta 12 gauge barrels that use the Mobilchoke-style thread pattern. Before ordering, check the choke system marked on your barrel or in your owner's manual to confirm it's Mobilchoke and not Optima or another design. If you're unsure, matching the exact system is the one thing you don't want to guess on.
How is the Sporting Clay tube different from a flush mount improved cylinder?
The Sporting Clay design uses a parallel section about 25 percent longer than a standard flush tube, which compresses the shot column more gradually. That produces a denser, more even pattern with fewer flyers at the same improved cylinder constriction. It also extends past the barrel with a knurled end so you can swap it by hand instead of using a wrench.
Can I shoot steel shot through this improved cylinder choke?
Yes. At an open improved cylinder constriction like this one, steel is fine, along with lead, copper plated, nickel, Hevi-Shot, bismuth, and tungsten. The tighter-choke steel restrictions Carlson's lists don't come into play here since improved cylinder is on the open end of the range.
Is improved cylinder a good choke for sporting clays and hunting?
Improved cylinder is a great all-around choice for close to mid range clay targets and flushing upland birds where you want a wide but dense spread. Many people leave this tube in for pheasant and grouse because it patterns better than a flush tube in the field. For longer crossers or tighter presentations you'd step up to a modified or tighter constriction.




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