Semi-Auto Rifles for Sale

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Springfield

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KelTec

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Smith & Wesson

Buy semi-auto rifles online at GunBroker, the world’s largest online marketplace of firearms and accessories. Shop for popular new and used semi-automatic rifles like the FN SCAR, M1A, SIG MCX, and many more. Whether you’re looking for 5.56 NATO or .308 semi-auto rifles, you’re in the right place. Browse thousands of listings that are updated daily, with immediate checkout or get the best gun deals by bidding on auctions today!

New to GunBroker? You can learn more in our Buying Overview, GunBroker Articles, and Gun Review Videos.

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GunBroker is the largest online marketplace for firearms, including semi-auto rifles from top sellers nationwide. You can also browse a huge selection of rifle ammo. Buy new and used semi-auto rifles from thousands of listings that are updated daily.

What’s the Difference Between Semi-Automatic and Fully-Automatic Rifles?

A semi-automatic rifle fires one round per pull of the trigger, then chambers the next cartridge. Fully-automatic rifles will continue to fire as long as the trigger is held down or until they run out of ammo. Semi-autos are common in the United States, while federal laws heavily regulate full-autos.

Do I Need a Background Check to Buy a Semi-Auto Rifle Online?

Yes, all firearm purchases on GunBroker must be shipped to an FFL (Federal Firearm License) dealer. GunBroker makes this easy with our FFL finder. Once your gun arrives at the FFL you select, you’ll fill out an ATF Form 4473 and have a NICS background check performed before you can take possession of the firearm. This is just like an over-the-counter purchase. Before buying any firearm, it’s important to check all of your local laws and regulations. Some areas have special permits, additional waiting periods, restrictions on certain firearms, etc.*

*This content is for informational purposes only and does not constitute legal advice. Always consult your local laws and regulations before purchasing firearms.

What Are the Most Popular Calibers for Semi-Auto Rifles?

Popular calibers for semi-automatic rifles include 22LR, 5.56 NATO/.223 Remington, .308 Winchester, and 7.62x39mm. Calibers should be selected based on your intended use. 22 long rifle is best for training new shooters, plinking, and hunting small game. 5.56 NATO/.223 Remington is very popular for the AR-15, and is used for training, target shooting, tactical, and home defense applications. .308 Win is good for big game hunting and longer-range target shooting. 7.62x39mm is very common in AK platforms and SKS rifles, used for target shooting, hunting medium-sized game, and sometimes for home defense.

What is the Best Semi-Auto Rifle for Beginners?

If you’re looking to buy your first semi-auto rifle, your experience level with other firearms should be considered. If you’re new to guns, a 22LR is an excellent introduction-level caliber, and the Ruger 10/22 is a very popular choice. 22LR ammo is the least expensive ammunition, has almost zero recoil, and comes in a variety of practice, target, and small-game hunting loads.

If you have some experience or want a larger caliber, an AR-15 chambered in 5.56 NATO/.223 Remington would be a good pick. They’re available in a wide range of price points to meet any budget, and ammo is plentiful and comparatively inexpensive. They’re also easily customized and modular, so you can buy a base model and then upgrade it as your needs develop. Another feature is the ability to swap calibers, so as you gain more experience you can expand your options and applications.

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Now that you’re ready to buy a semi-auto rifle, browse thousands of listings on GunBroker today!