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Shop AR-15 Uppers | AR-9 Uppers
Battle Arms Development has the best AR-15 Uppers and AR-9 Uppers available! Choose from our impressive selection of AR-15 and AR-9 complete upper receivers and upgrade your AR rifles and pistols for range use, home defense, and more.
Shop for AR-9 and AR-15 Uppers by System
BATTLEARMS® signature innovation and excellence in small arms technology are showcased in our AR-15 uppers. Every AR upper receiver in our weapon systems is 100% Made in the USA. We hold more than 60 unique U.S. patents for weapon designs, so you can trust that our AR-15 uppers and AR-9 uppers will make lasting additions to your arsenal that can be passed down to the next generation. Shop by BATTLEARMS® brand:
WORKHORSE® Series
AUTHORITY ELITE® Series
XIPHOS™ Series
OIP® Series
Search for complete upper sets in each series that meet your needs and specifications.
What Is a Complete AR-15 Upper Receiver?
A complete upper receiver is a crucial component of an AR-style firearm. It houses the barrel, upper receiver, rail handguard, muzzle device, gas block, gas tube, bolt carrier group, charging handle, and other essential parts. Essentially, it is the upper half of the firearm that attaches to the lower receiver.
Sometimes, the complete upper receiver can be sold as a partial kit, without the BCG and charging handle. When you purchase a BATTLEARMS® complete AR15 upper receiver, it comes pre-assembled and safety inspected, allowing for easy installation onto a compatible lower receiver.
Why Purchase a Complete Upper?
Complete upper receivers are available in various configurations to suit different shooting styles, calibers, and applications, including target shooting, hunting, and home defense. Upgrading to a complete upper can be a cost-effective way to enhance your firearm’s performance without needing to buy a whole new rifle.
Why Choose an AR-9?
The benefits include cost savings, as 9mm ammo is generally cheaper than rifle calibers like 223/5.56. Additionally, the lower recoil of 9mm makes the AR-9 easier to control and more comfortable, especially for beginners. It is quieter, easier to handle, and less prone to overpenetration compared to rifles, yet more accurate and stable than handguns. Overall, the AR-9 combines rifle stability with pistol versatility, making it well-suited for effective home defense.
