When it comes to handgun cartridges, “best” is subjective. How you intend to use your handgun is the biggest determinant of which round you should prefer. What works best for plinking cans off backyard fence posts won’t cut it for bear defense.
We outlined the most popular handgun cartridges in current production to help you pair the right one with your shooting discipline. In this article, you’ll find the pros and cons of each option and a description of what each one does best.
How to Choose the Best Handgun Caliber
To choose the best handgun cartridge, you must first determine what you will use it for most often, how much money you’re willing to spend on ammo, your recoil tolerance, and the type of handgun you want (semi-auto or revolver).
Use Case
Some cartridges aren’t good for self-defense but are a blast to take to the range. Others are practical for defense and even hunting, but aren’t necessarily suited for high-volume target shooting fun. That’s why having a general idea of how you plan to use your new firearm will help you choose the best handgun cartridge for your needs.
Budget
If you’re a high-volume shooter, ammo quickly gets expensive. Handgun ammo prices vary widely depending on the cartridge. For example, .22 LR ammo is relatively cheap, but bulk .44 Magnum ammo will definitely set you back.
Recoil Sensitivity
Consider how sensitive you are to recoil. Less powerful cartridges are better for recoil-sensitive shooters, whereas experienced shooters who’ve developed tolerance and technique for dealing with recoil can manage more powerful cartridges.
Handgun Type
Some shooters (like myself) prefer semi-auto pistols. Others prefer revolvers. Your own preference bears heavily on which ammo you should choose. Although there is usually overlap, most handgun cartridges are designed for optimal functionality in one type of handgun or the other.
Best Pistol Calibers
| Use Case | Cartridge |
|---|---|
| Best Overall | 9mm |
| Best for Self-Defense | .45 ACP |
| Best for Recoil-Sensitive Shooters | .22 LR |
| Best for Bear Defense | 10mm Auto |
| Most Stopping Power | .44 Magnum |
| Best for Target Shooting & Training | .40 S&W |
| Best for Concealed Carry | .380 ACP |
Best Overall: 9mm
The 9mm Luger (also known as the 9x19mm Parabellum, or simply 9mm) is the most popular handgun cartridge for both law enforcement and civilian self-defense.
Although the 9mm was once criticized as too weak for self-defense (often by the 45 ACP crowd), improved propellant and bullet technology have left little to be desired in its performance.
Today, the 9mm is considered the gold standard of defensive handgun cartridges. It offers a near-perfect balance of velocity, power, and “shootability.” When topped with expanding jacketed hollow point (JHP) bullets, the cartridge produces a wide wound channel and penetrates deeply enough to reach vital organs.
Popular 9mm pistols include several Glock models, as well as the Smith & Wesson M&P Shield, SIG Sauer P365, and Ruger LC9s. Options range from pistol caliber carbines (PCCs) to subcompact concealed carry models and everything in between.
Because everyone and their brother is in love with the 9mm Luger, there are plenty of ammo options on the market. Shooters can choose from a wide range of bullet weights and designs. You won’t find this kind of variety for most other cartridges. Hornady Critical Duty is a great example of a defense ammo with a variety of options. One of our favorites is Hornady Critical Duty 135 grain JHP.
Demand also drives pricing, which is why 9mm ammo for both practice and protection is relatively affordable. The low cost of 9mm ammo lets you put in enough range time to hone your marksmanship without worrying too much about your bank account, making it the best pistol cartridge overall. PMC 124 grain FMJ is a great option to purchase in bulk for long days at the range without needing to win the lottery to afford it.
Best for Self-Defense: .45 ACP
The .45 ACP (Automatic Colt Pistol) was designed by John Moses Browning to accompany his iconic Colt Model 1911 semi-auto pistol. The cartridge and the 1911 were both used by the U.S. military for decades. Fans of the .45 ACP regularly brag about it being the cartridge “that won two world wars.”
The cartridge is usually loaded with a 185 or 230 grain bullet, with the heavier bullet being more popular. Although 230 grain projectiles only reach velocities around 850 fps, they tote ample energy for defense downrange. Go figure: our military’s longest-used pistol cartridge is effective at its only purpose.
The .45 Auto features a larger diameter bullet than most other popular handgun rounds: .45 inches. Add a bullet design that produces double-diameter expansion, and this cartridge punches big holes in bad guys, making it the best option for self-defense.
The best part about the .45 ACP is that it manages to deliver all that power and expansion without excessive recoil. While this might not be the cartridge to hand your 90-year-old granny, its recoil is manageable for most shooters; not much heavier than that of the 9mm.
The .45 ACP is a pretty bulky cartridge. It only makes sense that guns chambered for it are a bit on the bulky side as well. Although these sidearms aren’t easy to conceal, they make excellent home defense pistols.
The .45 ACP cartridge’s largish dimensions take up magazine space, so firing a pistol chambered for this bigger round is going to cost you at least a few slots of magazine capacity compared to the 9mm and 40 S&W. Most 1911-style pistols only hold around 7+1 rounds. If you go for a larger semi-auto, like the G21, you’ll get three more rounds.
Although Glock’s G21 is a popular law enforcement duty pistol, the .45 ACP cartridge is practically synonymous with the 1911. The two go together like peas and carrots. If you want a classic forty-five, the Ruger SR1911, Kimber Warrior, and Colt Royal Blue 1911 Classic will not disappoint. Speer Gold Dot 230 grain GDHP is the standard for many law enforcement officers and CCWers because it performs incredibly well and is reasonably priced.
Feeding your pistol .45 ACP ammo will also cost you. Some loads cost twice as much as 9mm ammo in the same product line. However, .45 ACP won’t cost you nearly as much as big-bore cartridges like .44 Magnum, and you can always save a few bucks by buying in bulk.
Continue reading Choosing the Best Handgun Cartridge: Matching the Tool to the Job on Ammo.com
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