Description
This is Carlson's flush-mount Improved Cylinder choke made specifically for Remington 20 gauge shotguns running the Rem Choke thread pattern. It sits fully inside the barrel with no lip sticking out, so your gun keeps its factory look while you get a choke that patterns better than most stock tubes. The Improved Cylinder constriction measures .610, which throws a wider, more forgiving pattern that's right at home on flushing quail, dove, close decoying birds, and clay targets that break inside 30 yards.
What the Improved Cylinder Choke Does on the Range and in the Field
An Improved Cylinder is one of the most useful all-around chokes you can keep in your 20 gauge. It opens the pattern up just enough for fast, close targets while still holding things together better than a straight cylinder or skeet tube. Upland hunters walking behind a dog love it because birds tend to get up close and personal, and clay shooters reach for it on tight sporting stations and skeet. Keep in mind that lead loads pattern more open than steel through the same constriction, so if you're running steel through this IC tube you'll see it tighten up closer to a Modified pattern.
Built From 17-4 Stainless for the Long Haul
Carlson's CNC machines these tubes from solid 17-4 heat-treated stainless steel bars, which is a big step up in durability over a lot of factory tubes. That stainless build handles steel, lead, and Hevi-Shot without issue, so you're covered whether you're throwing target loads or heading to the marsh. As a general rule, steer clear of steel shot larger than BB in any choke tighter than Full, but for an Improved Cylinder you've got plenty of room to run the loads you'd normally reach for.
Why This Carlson's Choke Earns Its Spot in the Box
Carlson's has been dialing in choke tubes for over three decades, patterning tens of thousands of shells to get the geometry right. Every tube is made in the USA and carries a lifetime warranty, so if anything ever goes wrong you just send it back for a replacement. Drop it in, thread it down, and you've got a proven upgrade that fits like factory.
Key Specifications
- Manufacturer: Carlson's Choke Tubes
- Manufacturer Part Number: 51202
- UPC: 723189512026
- Gauge: 20 Gauge
- Constriction: Improved Cylinder
- Diameter: .610
- Choke System: Remington Rem Choke
- Mount Style: Flush Mount, Non-Ported
- Material: 17-4 Heat-Treated Stainless Steel
- Shot Compatibility: Lead, Steel, and Hevi-Shot
- Country of Origin: Made in USA
- Warranty: Lifetime
- Shipping Weight: 0.085 lbs
What’s Included
- One Carlson's flush-mount Improved Cylinder choke tube for Remington 20 gauge
Frequently Asked Questions
Will this Carlson's choke tube fit my Remington 20 gauge?
Yes, it's made for the Remington Rem Choke thread pattern used across popular 20 gauge models like the 870, 1100, and 11-87. As long as your shotgun takes standard Rem Choke tubes, this one threads right in and sits flush with the muzzle. If you're unsure what system your barrel uses, check your existing choke or barrel markings.
What is an Improved Cylinder choke best for?
Improved Cylinder is a fairly open constriction that shines on close-range targets, generally inside about 30 yards. It's a go-to for upland hunting like quail and dove, close decoying birds, and clay games such as skeet and tight sporting stations. It gives you a wider, more forgiving pattern than a Modified or Full choke.
Can I shoot steel shot through this choke tube?
Yes, the 17-4 stainless build handles steel, lead, and Hevi-Shot. As a general guideline, avoid steel shot larger than BB in any choke tighter than Full. Also remember steel patterns tighter than lead, so an Improved Cylinder tube will pattern steel closer to a Modified.
Is this choke tube ported?
No, this is a non-ported flush-mount design. It seats fully inside the barrel so nothing sticks out past the muzzle, keeping your Remington looking factory-clean while still upgrading your pattern performance.




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