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HomeVideosChoke TubesWhat Do Chokes On Shotguns Do?

What Do Chokes On Shotguns Do?

· May 7th, 2025 · Choke Tubes

This video explains how shotgun chokes control pattern spread and why notch markings matter. It also covers safe choke selection for birdshot, buckshot, and slugs.

Video Summary

Read the full transcript

Intro to Shotgun Chokes and the Panzer AR12 Pro

The hosts address common questions about shotgun chokes and explain that they will test three widely used types: full, modified, and cylinder, to see how each affects spread on target. They note that while experienced shotgun hunters may find chokes straightforward, many new owners mistake them for odd shells or even throw them away. The video uses a Panzer AR12 Pro as the demonstration shotgun. The hosts clarify that shotguns are smoothbore rather than rifled, so chokes are used at the muzzle to help control how the shot pattern behaves for different applications.

What Chokes Do and Common Shell Types

The discussion shifts to what chokes actually do. Chokes provide constriction at the muzzle to direct the projectiles and control pattern spread. The hosts mention typical shotgun loads such as birdshot with many small pellets, number 4 shot with 27 pellets, 00 buckshot with 9 pellets, and single slugs. Depending on the choke installed, these loads will spread differently downrange. The importance of matching choke selection to the intended use is emphasized, whether for hunting, target shooting, or defensive situations, because the choke directly influences how dense or wide the pattern will be at a given distance.

Choke Notch Markings and Constriction Levels

The hosts explain the notch marking system commonly used on interchangeable shotgun chokes. One notch indicates a full choke, which provides the tightest constriction and the tightest pattern. Two notches indicate an improved modified choke, which opens the pattern slightly. Three notches mark a modified choke, which is a middle-ground option and is installed in the Panzer AR12 Pro during the demonstration. Four notches indicate an improved cylinder choke, and five notches indicate a cylinder choke with essentially no constriction. These markings allow shooters to quickly identify the choke type and understand how it will affect pattern spread.

Choosing Chokes for Hunting and Defensive Use

The video covers practical examples of choke selection. For hunting turkey or other game at longer distances, using a cylinder choke with number 4 shot or 00 buckshot can result in a pattern that spreads too widely, increasing the chance of a miss. In that scenario, a full choke with one notch is recommended to keep the pattern tight and improve accuracy on a small target at range. For hunting ducks or other birds in the air, a wider pattern from a cylinder choke can be beneficial. The hosts stress checking which choke is installed before heading out, so the pattern matches the specific hunting or defensive application.

Shooting Slugs Safely Through Chokes

The hosts address whether slugs can be fired through any choke. They caution that a full choke, identified by a single notch and the most constriction, is not appropriate for slugs because the slug can impact the constricted area and damage the barrel. For slugs, a cylinder choke with five notches is recommended, as it has no constriction and allows the slug to pass through safely. They share an example of a barrel that was ruined when a shooter used the wrong choke with slugs, likely a full choke, underscoring the importance of verifying choke type before firing slug ammunition.

Installing and Removing Chokes Safely

The demonstration moves to installing and removing chokes on the Panzer AR12 Pro. The hosts confirm the shotgun is clear and safe before working at the muzzle. They show the threaded muzzle end and explain that the modified choke is currently installed. Using a choke tool, they seat the choke into the threads and tighten it until it is snug. To remove it, they reverse the process with the same tool, which has different notches to fit various choke designs. They emphasize ensuring the choke is properly tightened before shooting so it does not loosen under recoil, and always verifying the firearm is unloaded before handling the muzzle.

Gauge Compatibility and Final Safety Notes

The hosts note that choke tools and chokes are made for different gauges, including 12 gauge, 10 gauge, 20 gauge, and .410 bore, and that shooters must match the correct choke and tool to the shotgun’s gauge. They reiterate safety points: always confirm the shotgun is unloaded before changing chokes, keep fingers and face away from the muzzle, and wear eye protection. The segment closes by summarizing that shotgun chokes are simple once understood but can be confusing for new owners. Correct choke selection, especially when shooting slugs, is critical to avoid damaging the barrel and to achieve the desired pattern on target.

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