Shotguns for Squirrel Hunting – When and Why

*The gray squirrel does not wait. It cuts across a gap in the canopy, drops to a lower branch, and freezes against the bark in the time it takes a hunter to settle a rifle scope on the spot where it was. Early October squirrel hunting is a game of fast angles and broken sight lines, and the tool that fits those conditions is not always the one that shoots the flattest. The woods make the decision for you, if you are paying attention.*

The choice between a shotgun and a rifle in the squirrel woods is a conditions-based decision, not a debate about which firearm is superior. There are mornings when a .22 is exactly right, when the leaves have dropped and a squirrel is feeding quietly on a limb sixty feet up in clear air. And there are mornings when that same rifle is the wrong answer entirely, when the canopy is still full and every shot is a geometry problem through layers of leaves and branches. Knowing which morning you are walking into is the skill that matters before you ever touch the trigger.

When Shotguns Beat Rifles in the Squirrel Woods

Early season is shotgun season. Through most of September and into October across the hardwood forests of the Midwest, the South, and the Northeast, the canopy holds enough leaf cover that a squirrel thirty yards up in an oak might as well be behind a curtain. The rifle hunter who tries to thread a .22 through that cover is gambling on luck as much as skill, and a wounded squirrel that runs into a hollow is a squirrel that does not come to the table.

The shotgun changes the geometry of the problem. A pattern of #6 shot does not need a clean lane to the target the way a single projectile does. It finds gaps, it moves around small obstructions, and it delivers enough pellets to anchor a squirrel that a rifle bullet might have missed entirely. Dog hunting adds another layer to this argument. When a dog trees a squirrel and that animal starts moving fast along the upper branches, the shotgun is the only practical tool for a hunter who wants to keep up with the action rather than watch it.

Why the 20 Gauge Is the Standard Squirrel Gun

Weight matters when you are covering ground all morning. A 20-gauge field gun runs six to six and a half pounds on average, light enough to carry at the ready through thick timber without your arm giving out before the squirrels start moving. The 12 gauge puts more pellets in the air, but the extra pound or pound and a half adds up across a long walk, and the pattern difference at twenty-five to thirty-five yards is not large enough to justify it for most squirrel hunters.

The 20 gauge also handles the recoil question cleanly. It is enough gun for squirrels at realistic distances, and it does not punish a shooter who fires a dozen times in a morning. The .410 occupies the other end of the spectrum – adequate at close range in the hands of a skilled shooter, but the pattern thins out quickly past twenty yards, and it leaves little margin for error on a moving target. For a hunter who wants one gun that works across the full range of squirrel hunting conditions, the 20 gauge is the answer that holds up across a career.

Choosing Shot Size – #6, #5, or #7.5

#6 shot is the standard for squirrel hunting, and it earned that position honestly. At twenty-five to thirty-five yards, it delivers enough pellet energy to penetrate through fur and reach vitals, while the pattern density is still tight enough from a modified choke to put multiple pellets on a squirrel-sized target. It is the load that covers the widest range of conditions without asking the hunter to think too hard about the choice.

5 shot has a place in open timber late in the season, when shots stretch past thirty-five yards and you need a pellet that carries more energy at distance. The trade-off is a slightly thinner pattern, which matters less when the canopy is bare and the geometry is cleaner. #7.5 shot works at close range, under twenty yards, and some hunters prefer it for the denser pattern in tight cover. Beyond that distance, pellet energy drops off enough that clean kills become less reliable, and clean kills are the standard a responsible hunter holds to.

Key reminders

• Modified choke is the practical default for squirrel distances

• 6 covers most situations without adjustment

• Move to #5 only when shots are consistently beyond 35 yards

• 7.5 is a close-range option, not a general-purpose load

• Match your load to the cover and the distance, not to habit

Effective Range – Where Clean Kills Happen

Twenty to thirty-five yards is where the 20 gauge with #6 shot and a modified choke performs at its best. The pattern is dense enough to put multiple pellets into a vital zone, and the individual pellets still carry enough energy to do the work cleanly. This is not a limitation of the shotgun – it is the range at which squirrel hunting most naturally happens in thick timber, and the gun fits the environment.

Past thirty-five yards, the pattern opens and pellet energy begins to fall off in a way that matters. You may still connect, but the margin between a clean kill and a crippled animal that runs narrows considerably. A hunter who understands this range boundary does not take the borderline shot just because the squirrel is visible. Patience and position – moving closer before shooting – is the skill that keeps the bag honest and the waste low.

Field checklist – squirrel hunting with a 20 gauge

• Check choke tube before leaving the truck – modified is the standard starting point
• Load selection matched to expected cover density and shot distance
• Safety on until the shot is forming – squirrel hunting produces fast, reactive shots
• Identify the squirrel clearly before mounting the gun – bark patterns fool hunters
• Lead moving squirrels rather than tracking them through branches
• Check your backstop – hardwood limbs deflect pellets at steep angles
• After the shot, mark where the squirrel falls before moving your feet

The Meat Damage Trade-Off Worth Knowing

Shotgun squirrel hunting creates more meat damage than a well-placed rimfire head shot. That is a fact worth knowing before you choose your tool for the day. Multiple pellets through the body cavity leave more bruising and more pellet fragments to work around at the cleaning table than a single .22 hole does. For hunters who prioritize table quality – and squirrel is genuinely good eating when it is handled right – the rifle is the better tool when conditions allow.

The honest framing is this: the shotgun trades some meat quality for shot opportunity. In early season thick cover, that trade is worth making because the rifle shot is often not a realistic option at all. Later in the season, when the leaves are down and squirrels are feeding in the open, the conditions shift back toward the rifle, and a hunter who has both tools and knows when to use each one will bring home better meat over the course of a season than one who defaults to the same gun every time.

Starting Young Hunters on a 20 Gauge

The 20-gauge single-shot is the classic first squirrel gun for a reason that has nothing to do with tradition and everything to do with how young hunters actually learn. A child of ten or eleven can carry a light 20 gauge through the woods for three hours without wearing out, and the recoil is manageable enough that a miss does not create a flinch that takes seasons to unlearn. These things matter more than most adults remember once they have been shooting for thirty years.

The forgiving aim requirement is the deeper argument. A young hunter who is still learning to read movement, still learning to mount the gun smoothly, still learning to track a target through cover – that hunter needs a margin for error that a .22 rifle does not offer. The shotgun pattern provides that margin without removing the need to aim. It rewards a hunter who is close to right, which is exactly where a beginner lives. I have watched young hunters connect on their first squirrel with a 20 gauge and walk out of the woods with a confidence that a string of rifle misses would have taken from them entirely. That first success is not a small thing.

Mistakes That Cost Squirrel Hunters in the Field

• Shooting beyond practical range – taking shots past forty yards with a 20 gauge and #6 shot produces more crippled squirrels than clean kills, and a crippled squirrel in the canopy is almost always a lost squirrel.
• Using a full choke for all-day hunting – a full choke tightens the pattern past what squirrel distances require, creating a smaller margin for error on moving targets without a meaningful benefit at thirty yards.
• Ignoring shot angle on treed squirrels – shooting steeply upward at a squirrel hugging the far side of a limb often means the pattern hits bark before it hits the animal; repositioning for a better angle is always worth the extra steps.
• Rushing the shot on a moving squirrel – mounting the gun before the target is clearly identified leads to misses and, more seriously, to unsafe shots through cover where the backstop is not confirmed.
• Defaulting to #7.5 shot for all conditions – hunters who use light target loads in the field because they are cheap or already on hand find out at thirty yards that pellet energy matters, usually by watching a squirrel run off.
• Carrying the wrong choke for the season – a hunter who runs an improved cylinder in early season thick cover and then keeps it through late season open timber is leaving effective range on the table when a modified or improved modified choke would serve better.

FAQ

Is a 20 gauge enough gun for squirrels, or should I step up to a 12 gauge?
The 20 gauge is enough gun. At the distances where squirrel hunting happens – twenty to thirty-five yards – the pattern difference between a 20 and a 12 gauge is not large enough to matter, and the weight difference across a long morning walk absolutely is.

What choke should I use for squirrel hunting?
Modified choke is the practical standard. It balances pattern spread and density well at squirrel distances. Improved cylinder works in very thick cover at close range. Full choke is too tight for the angles and distances involved in most squirrel hunting.

Can I use a .410 for squirrels?
At close range, under twenty yards, a .410 in skilled hands is adequate. Past that distance, the pattern thins and pellet energy drops enough that clean kills become inconsistent. It is a specialist’s tool, not a beginner’s choice.

Does the shotgun ruin too much meat to be worth using?
That depends on what you value on a given day. Body shots with a shotgun do create more pellet damage than a rimfire head shot. For hunters who want the cleanest possible meat, the rifle is the better choice when conditions allow it. The shotgun earns its place in early season thick cover, where the rifle shot is often not realistic.

What is the best shot size for squirrel hunting?

6 shot handles most squirrel hunting conditions well. Move to #5 for longer shots in open timber late in the season. #7.5 works at close range but loses energy quickly past twenty yards.

At what age can a young hunter start with a 20 gauge?
Most hunters start young shooters on a 20 gauge somewhere between nine and twelve years old, depending on size and maturity. A light single-shot 20 gauge is manageable for a child who can handle the gun safely and follow instruction. The recoil is real but not punishing, and that distinction matters for building good habits early.

Final Thoughts

• The single most important thing: match the tool to the conditions – the shotgun earns its place in early season thick cover and dog hunting situations, and the rifle earns its place when the canopy is bare and shots are clean.
• Pattern density and pellet energy both matter at squirrel distances – understanding where your load performs reliably is the foundation of consistent clean kills.
• Modified choke and #6 shot cover the majority of squirrel hunting situations without adjustment.
• Meat damage is a real trade-off with the shotgun – a hunter who knows this going in makes better decisions at the cleaning table.
• The 20 gauge single-shot remains one of the best tools for introducing young hunters to the field – the margin it provides is not a crutch, it is a bridge to confidence.
• Effective range discipline matters more than most hunters admit – knowing when not to shoot is as important as knowing how to shoot.
• The squirrel woods reward patience and position over firepower. The gun is secondary to the woodsmanship that puts you in the right place at the right distance.