For pest control around your property, a .22 caliber air pistol delivering at least 12 foot-pounds of energy (FPE) is the sweet spot for humane, effective dispatch of rats, squirrels, and similar small pests. Below that threshold, you risk wounding animals without killing them cleanly. A handful of air pistols hit that mark, but the power source, caliber, and your specific situation all shape which one works best.
How Much Power You Actually Need
Air pistol power is measured in foot-pounds of energy, and the number you need depends on what you’re dealing with. For mice and sparrows, 6 to 12 FPE is enough. For rats, squirrels, rabbits, and pigeons, you want at least 12 FPE. Most air pistols fall well short of that, which is why the field of serious pest control pistols is narrow. CO2 pistols and spring-powered pistols typically top out around 4 to 8 FPE, making them fine for plinking but inadequate for anything beyond mice at close range.
The pistols that reliably reach 12 FPE and above fall into two categories: pre-charged pneumatic (PCP) pistols and multi-pump pneumatic pistols. Both use compressed air, but they get it differently, and that difference matters for how you’ll use them in the field.
Why .22 Caliber Beats .177 for Pest Work
.177 pellets fly faster and flatter, which makes them great for target shooting and long-range accuracy. But for pest control, .22 caliber is the better choice. The larger diameter creates a bigger wound channel at the close ranges where you’ll typically be shooting, and the heavier pellet transfers more energy into the target on impact rather than passing through. At the distances most pest situations happen (under 25 yards), the flatter trajectory of .177 doesn’t offer a meaningful advantage.
A .22 pellet moving at 700 fps delivers roughly 15 FPE, which is solidly in the humane kill zone for rats and squirrels. The same pistol in .177 might move faster but deliver less energy on target, especially once the pellet reaches the animal. For anything larger than mice, .22 is the practical choice.
Best PCP Air Pistols for Pest Control
Benjamin Marauder Pistol (.22)
The Benjamin Marauder PCP pistol is the most commonly recommended air pistol for serious pest work, and the specs back that up. In .22 caliber, it pushes pellets up to 800 fps and generates 15.54 FPE, which is more than enough for rats, squirrels, and pigeons. It’s a bolt-action, single-shot design that prioritizes accuracy over rapid fire, which is exactly what you want when precise shot placement matters.
The Marauder runs on a pre-charged air reservoir, meaning you fill it with a hand pump or small tank before heading out. One fill gives you a reasonable number of usable shots before velocity starts dropping. The pistol is quiet compared to most airguns at this power level, which is a significant advantage if you’re dealing with pests near neighbors. It also accepts a scope via its dovetail rail, and for pest control at 15 to 25 yards, a low-power scope or red dot makes a real difference in shot placement.
The downside is cost. The pistol itself runs higher than pump-action alternatives, and you’ll need a hand pump or air tank (sold separately) to charge it. But if you’re dealing with an ongoing rat or squirrel problem, the investment pays off in reliability and shot-to-shot consistency.
Hatsan Jet II
The Hatsan Jet II is a newer PCP option available in .177, .22, and .25 caliber. In .22, it delivers 15 FPE at up to 700 fps, putting it right alongside the Marauder in raw performance. In .25 caliber, it jumps to 19 FPE and 600 fps, which gives you even more authority on larger pests like squirrels, though .25 pellets cost more and are harder to find locally.
What sets the Jet II apart is its shot count. In .22, you get roughly 42 shots at optimal velocity from a single fill. In .177, that climbs to 48. If you’re managing pests across a larger property or dealing with a serious infestation, not having to refill constantly matters. The Jet II also converts into a carbine-length platform with an included stock extension, giving you a more stable shooting position when you need it.
Best Budget Option: Crosman 1322
The Crosman 1322 is the entry point for air pistol pest control, and it’s been a staple for decades. It’s a .22 caliber multi-pump pistol, meaning you pump a forearm lever 3 to 10 times before each shot to build air pressure. More pumps equal more velocity, up to 460 fps at maximum effort. That translates to roughly 6 to 8 FPE depending on pellet weight, which is enough for mice and possibly rats at very close range with perfect shot placement, but it falls short of the 12 FPE threshold for squirrels and larger pests.
At under $80, the 1322 costs a fraction of the PCP options and requires no external air source. It weighs just under 2 pounds, has a rifled steel barrel for decent accuracy, and comes with adjustable rear sights. You can also mount a scope or red dot using the optional steel breech kit. The bolt-action loading is simple, and the crossbolt safety is straightforward.
The real limitation is power. If your pest problem is mice in a barn or shed at 10 yards or less, the 1322 can do the job. For rats at moderate distance or anything squirrel-sized, you’ll want one of the PCP pistols above. The 1322 also requires pumping between every shot, which slows follow-up considerably, but for the deliberate, one-shot-at-a-time nature of pest control, that’s less of an issue than it sounds.
Shot Placement Matters More Than Power
Even with 15 FPE, an air pistol pellet kills through precise placement, not brute force. The physics are closer to archery than firearms. You’re aiming for the head on rats and squirrels, ideally from a stable rest at a known distance. A pellet that hits a rat in the body may wound it without killing it quickly, regardless of how much energy your pistol produces.
Realistic effective range for an air pistol in pest control is 25 yards or less. Some shooters stretch to 30 or 35 yards with a scoped PCP pistol, but accuracy drops off quickly with a short barrel and pistol-length sight radius. Practice at your actual shooting distances before relying on the pistol for pest dispatch. Know where your pellet impacts at 10, 15, 20, and 25 yards, because even small errors in holdover translate to misses or poor hits on a rat-sized target.
Legal and Safety Considerations
Air pistols occupy a legal gray area that varies dramatically by location. Many municipalities regulate the discharge of air guns within city limits even if they don’t regulate ownership or possession. In Texas, for example, state law specifically preserves the right of cities to regulate where you can fire an air pistol, even though cities cannot restrict ownership or carrying by adults. Outside city limits on parcels of 10 acres or more, Texas allows discharge of air pistols as long as you’re more than 150 feet from a residence on another property and pellets aren’t reasonably expected to cross your property line.
Your local rules will differ. Some cities ban all projectile discharge within municipal boundaries. Others exempt air guns below certain power levels. Check your city or county ordinances before assuming your backyard is a legal shooting location.
Beyond legality, backyard safety comes down to backstop and awareness. A .22 caliber air pistol pellet at 800 fps can be dangerous out to 250 yards according to manufacturer ratings on both the Marauder and Crosman models. That doesn’t mean it’s lethal at that distance, but it can injure. Shoot into a solid backstop (a dirt bank, a purpose-built pellet trap, or stacked lumber) and never fire without knowing what’s behind your target. Fences, thin walls, and hedges are not backstops.
Pellet Selection for Clean Kills
Domed or round-nose pellets are the standard choice for pest control. They penetrate well, fly predictably, and are widely available in .22 caliber. Pointed pellets look like they’d penetrate better, but they’re often less accurate and don’t expand the way a domed pellet does on impact. Hollow-point pellets can work at closer ranges where velocity stays high enough to cause expansion, but at the moderate velocities air pistols produce, they sometimes fail to open up and actually penetrate less than a solid dome.
Stick with mid-weight domed pellets in .22 caliber (14 to 16 grains) for the best combination of accuracy and terminal performance. Buy two or three tins of different brands and test which one groups best in your specific pistol, because air guns are notoriously picky about which pellets they shoot well.