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ToggleCommon Mistakes When Buying a Gun
Avoiding the common mistakes when buying a gun matters as much as picking the right firearm in the first place. People buy guns for a wide range of reasons — home defense, recreation, target shooting, hunting, collection, or all of the above — and each goal points to a different category of firearm. The buyers who run into trouble are almost always the ones who skip the homework and walk into a gun store treating the purchase like any other consumer transaction.
This guide covers the five most common mistakes when buying a gun, particularly for first-time buyers. Each one is recoverable, but most of them are also avoidable with thirty minutes of preparation before you set foot in a dealer.
Mistake 1: Not Knowing the Applicable Laws
The single most consequential of the common mistakes when buying a gun is showing up at the counter with no understanding of the federal and state legal landscape. You cannot walk into a gun store, hand over cash, and walk out with a pistol tucked into your waistband. Every retail purchase from a licensed dealer requires you to present a valid government-issued ID, complete ATF Form 4473, and pass a background check through the National Instant Criminal Background Check System (NICS).
State requirements add another layer. Depending on where you live, you may need a separate handgun permit, a firearm owner identification card, a waiting period of three to ten days, training certificate proof, or a microstamping requirement on the firearm itself. Some states require background checks for private-party transfers as well, not just dealer sales.
After you bring the firearm home, federal and state laws also dictate where you can carry it (open carry, concealed carry, vehicle transport), what magazines and accessories are legal, and how it must be stored. Understanding the rules in your specific jurisdiction before you buy saves you from buying a firearm you cannot legally own or transport.
Mistake 2: Buying a Gun You Have Never Fired
A gun is one of the few significant purchases where a test drive is not optional. The most common mistakes when buying a gun for the first time include picking a firearm based on appearance, marketing, or what a friend recommends, without ever firing it.
The right gun for you depends on your hand size, grip strength, eyesight, and tolerance for recoil. New shooters and people of smaller frame should generally avoid high-caliber handguns until they have built up the technique to manage recoil safely. A gun that intimidates you or that you flinch with at the range is a gun you will not practice with — and a defensive firearm you do not practice with is a liability.
Visit a shooting range that offers rentals before you commit. Most ranges let you fire several different models for a flat fee, and the difference between an unfamiliar magnum revolver and a comfortable 9mm pistol becomes obvious within ten rounds.
Mistake 3: Unfamiliarity with the Mechanical Function of the Firearm

Buying a firearm whose operation you do not fully understand is one of the most dangerous common mistakes when buying a gun. Many of the well-publicized firearm accidents happen because the owner believed the chamber was empty when it was not, or did not know the safety status of the trigger they were about to manipulate.
Before you take any new firearm home, you should know how to verify it is unloaded (drop the magazine, lock back the slide or open the cylinder, visually and physically inspect the chamber), how to disassemble it for cleaning, how the safety works (if it has one), how the trigger reset functions, and what to do if the firearm fails to fire. The owner’s manual is the right starting point. A defensive firearms course is the right next step.
Mistake 4: Skimping on Accessories
A quality firearm deserves quality accessories. Some of the common mistakes when buying a gun involve cutting corners on holsters, lock boxes, ammunition, and cleaning gear after spending several hundred dollars on the firearm itself. A heavy handgun in a $10 nylon holster will sag, gap, and may release the firearm when you least want it to. Cheap range ammunition can damage the bore over time, and bargain-bin cleaning solvents may strip protective coatings from internal parts.
The accessories worth investing in:
- A model-specific holster from a reputable manufacturer
- A quality belt designed to support a holstered firearm
- A quick-access lock box for home storage
- Defensive ammunition rated for self-defense use (typically a hollow-point or bonded design)
- A basic cleaning kit appropriate to the firearm’s caliber and finish
- Hearing and eye protection for every range session
Mistake 5: Assuming the Gun Itself Makes You Safer
Owning a firearm is not a guarantee of safety. The last of the common mistakes when buying a gun — and the one with the worst long-term consequences — is assuming the purchase ends the work. A gun in a closet does not protect you. The protective effect comes from the combination of training, regular practice, mental preparation, secure storage, and restraint about when to draw it.
Statistics consistently show that firearms in untrained hands are more likely to be involved in accidents than to be successfully used in self-defense. Confidence with a firearm comes from time on the range, not from time at the gun store. Plan to spend at least as much on training and ammunition in the first year as you spent on the firearm itself.
Avoiding These Common Mistakes When Buying a Gun
Every one of the five common mistakes when buying a gun above is preventable with preparation and patience. Slow down. Research your state’s specific requirements. Rent and fire several models. Read the manual cover to cover. Budget for accessories and training. The buyers who do all of this end up with firearms they actually use, store safely, and are confident with under stress.
For more on the responsibilities that follow a firearm purchase, see our guides on how to store guns safely at home and dangerous mistakes new gun owners make.




