Shop for AR 15 Lower Receiver online at GunBroker.com

GunBroker.com has the perfect AR to fit who you are. Find the AR-15 lower receiver you're looking for right here at GunBroker.com, the world's largest online auction site dedicated to firearms, hunting, shooting and accessories. We aim to provide you with all the necessary information you need to make an informed AR-15 lower receiver purchase. Explore the history, technical specifications, ballistics and background of the AR-15 lower receiver, then browse the listings of our trusted sellers to make your purchase.

Don't stop there; we've got plenty more to offer. We're the Internet's largest auction retailer of guns for a reason, after all. Check out our registered sellers' huge inventory of products and AR-15 lower receivers.

About the AR-15

The AR-15 was introduced in 1959 by Armalite to serve the U.S. military. Financial problems led to the company selling the design to Colt, who redesigned the rifle and named it the M16. Civilians were able to purchase semiautomatic versions (Colt AR-15) in 1963.

Today, multiple manufacturers, including Armalite, Colt, Bushmaster, Rock River Arms, Stag Arms and Ruger produce versions.

Give and Receiver

If you're new to firearms, you may not be familiar with what exactly the lower receiver is and does. The receiver is the part of the gun that is home to the operating mechanisms and parts. Most of the time the receiver also holds the magazine and trigger mechanisms. It can also be referred to as the body or frame. U.S. law considers the receiver to be the actual firearm itself. As a result, its sale is controlled and restricted.

The AR-15 has a lower and an upper receiver. The upper receiver comprises the barrel, bolt, charging handle and gas system.

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AR 15 Lower Receiver

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