Shooting is one of the most rewarding hobbies out there, but it can also drain your wallet fast. The firearm is a one-time purchase. Ammunition is the expense that never stops. If you shoot twice a month and burn through 200 rounds each trip, the difference between a cheap caliber and an expensive one adds up to hundreds of dollars a year.

The good news is that choosing the right caliber can stretch your budget dramatically. This guide breaks down the most budget-friendly calibers for handguns and rifles, what you give up (and gain) with each one, and how to lower your cost per round no matter what you shoot.

A quick note on prices: ammunition costs shift with supply, demand, brand and retailer. The ranges below are general relative comparisons, so always check current prices before you buy.

What Makes a Caliber "Budget Friendly"?

Before the list, it helps to know what actually drives ammo cost:

• Production volume. Popular calibers are made by dozens of manufacturers in huge quantities, which keeps prices competitive.
• Materials. Less brass, lead and powder in each cartridge means a cheaper round. Smaller cartridges usually cost less.
• Case type. Steel-cased and aluminum-cased ammo is typically cheaper than brass, though not every firearm runs it happily.
• Availability. A caliber that every store stocks is rarely a caliber that spikes in price for long.
• Reloadability. If you can reload your own brass, your long-term cost per round can drop well below factory prices.

Keep these factors in mind as we walk through the best options.

1. .22 LR: The Undisputed Cheapest Caliber

If the goal is pure savings, nothing beats the .22 Long Rifle. It has been the go-to training and plinking round for generations, and for good reason.

Why it's budget friendly:

• Consistently the lowest cost per round of any common caliber
• Sold in large bulk boxes of 325, 400 or 550 rounds
• Available for rifles, pistols and revolvers
• Very low recoil, which makes it ideal for beginners and kids learning under supervision

Trade-offs: The .22 LR is a small cartridge, so it is best for target practice, small-game hunting and skill building rather than serious defensive use. Rimfire ammo can also be a bit less reliable than centerfire, so expect the occasional dud.

Best for: New shooters, high-volume practice, plinking and trapping or pest control where legal.

2. 9mm Luger: The Cheapest Mainstream Handgun Caliber

If you want a handgun caliber that balances low cost with real-world capability, 9mm is hard to beat. It is the most popular handgun cartridge in the world, and that popularity is exactly why it is affordable.

Why it's budget friendly:

• Produced by nearly every ammunition manufacturer
• Widely available in bulk and in range-pack quantities
• Lower cost than .40 S&W, .45 ACP and most other centerfire pistol rounds
• Large selection of affordable pistols, magazines and parts

Trade-offs: 9mm costs more than .22 LR, but you get a cartridge that works for training, competition and personal protection alike.

Best for: Shooters who want one handgun caliber for both practice and defense without overspending.

3. 5.56 NATO and .223 Remington: The Budget Rifle Favorite

For centerfire rifles, 5.56 NATO and .223 Remington are the workhorses of affordable shooting. The two share nearly identical dimensions, but they are not identical in pressure, so check your firearm's markings before shooting one in a rifle chambered for the other. A rifle marked 5.56 NATO can generally fire both, while one marked only .223 Remington should stick to .223.

Why it's budget friendly:

• Massive production volume thanks to military and civilian demand
• Many affordable bulk options, including steel-cased and remanufactured ammo
• Light recoil and flat trajectory make it easy to shoot well
• Huge ecosystem of AR-15 rifles, parts and accessories

Trade-offs: It is more expensive per round than pistol calibers like 9mm, and you will want a safe place to shoot rifles.

Best for: Target shooting, training, varmint hunting and general-purpose rifle use.

4. 7.62x39: A Value Option for Rifle Shooters

The 7.62x39 cartridge, made famous by the AK-pattern rifle and now frequently available in the AR-15, has long been a favorite for shooters who want more punch than .223 without a big price jump.

Why it's budget friendly:

• Often sold in bulk steel-cased and brass-cased options at competitive prices
• Inexpensive, rugged rifles are common in this caliber
• Works for plinking and medium-game hunting where legal

Trade-offs: Availability and pricing can swing based on imports and trade rules, and many ranges restrict steel-cased or steel-core ammo, so check the rules before you go.

Best for: Shooters who want a hard-hitting, economical rifle round.

5. .380 ACP: Affordable and Compact

The .380 ACP is a popular choice for small, concealable pistols. It is generally less expensive than larger defensive calibers, though it tends to cost more than 9mm because it is made in lower volumes.

Why it's budget friendly (sometimes):

• Lower prices than .45 ACP and many other self-defense rounds
• Mild recoil in a compact platform

Trade-offs: Because 9mm production is so large, 9mm is often the same price or cheaper per round. If you are choosing a pistol primarily for budget reasons, compare current prices for both before deciding.

Best for: Shooters who prefer a small, lightweight pistol.

6. .38 Special: A Revolver Staple

The .38 Special has been around for over a century and remains a smart, affordable choice for revolver owners.

Why it's budget friendly:

• Plentiful supply and a long history of production
• Low-recoil target loads that are gentle on the wallet and the shooter
• Excellent for reloaders, since brass is durable and easy to reuse

Trade-offs: Revolvers carry fewer rounds and are slower to reload than semi-autos. Factory ammo usually costs more than 9mm, but it can be a great value if you reload.

Best for: Revolver fans, beginners and reloaders.

Quick Comparison: Relative Cost Per Round

Beyond Caliber: More Ways to Cut Your Ammo Costs

Choosing the right caliber is only part of the equation. These habits can lower your cost per round even further:

1. Buy in bulk. Cases of 500 or 1,000 rounds nearly always cost less per round than single boxes.
2. Compare cost per round, not box price. Boxes come in different sizes, so do the math.
3. Watch for sales and rebates. Major retailers and manufacturers run promotions throughout the year.
4. Consider remanufactured ammo. Reputable remanufacturers can offer solid savings for practice.
5. Learn to reload. Reloading can lower your cost per round if you shoot often, but it isn't always cheaper. Equipment and components add up, and bulk factory 9mm can match the cost.
6. Use a rimfire conversion or training pistol. A .22 LR version of your main firearm lets you practice fundamentals for pennies.
7. Practice dry fire. Dry fire training costs nothing and builds trigger control and sight alignment. Always follow safety rules and make sure the firearm is unloaded with no ammunition in the room.
8. Store ammo properly. Cool, dry storage keeps your investment in good shape.

Safety and Legal Reminders

Cheaper ammo is only a good deal if it is safe and legal to use. Always:

• Use ammunition that matches your firearm's exact caliber marking
• Buy from reputable manufacturers and retailers
• Follow range rules about steel-cased, steel-core and tracer ammunition
• Learn and follow your local, state and federal laws about purchasing, transporting and storing ammunition

So, What Is the Most Budget-Friendly Caliber?

The honest answer depends on what you want to do.

• Cheapest overall: .22 LR
• Cheapest mainstream handgun caliber: 9mm Luger
• Cheapest mainstream rifle caliber: 5.56 NATO / .223 Remington, with 7.62x39 as a strong alternative
• Best for revolver owners and reloaders: .38 Special

If you can only afford one firearm and want it to do double duty, a 9mm pistol paired with a .22 LR trainer gives you low-cost practice and a capable all-around option. Start with the caliber that fits your goals, shop smart, and you will get far more trigger time for every dollar.

Disclaimer: This article is for general informational purposes only. Always follow firearm safety rules, read your owner's manual, and confirm ammunition compatibility with your specific firearm before use.