CODY, WYO. / AGILITYPR.NEWS / May 20, 2025 / Big Horn Armory (BHA), makers of big-bore firearms, is excited to announce it is now shipping its highly anticipated AR500 NEXT GEN series. Available as the new AR500 NEXT GEN Rifle, AR500 NEXT GEN Pistol, Complete Upper Assembly for the rifle or the pistol, this line builds on the legacy of the original AR500 Rifle to deliver unmatched power and versatility for discerning shooters and professionals. Watch the video for more details.

The AR500 NEXT GEN Rifle is an AR rifle like no other. Chambered in 500 Auto Max, this groundbreaking rifle is the most powerful AR firearm available on the market. The bold AR design, coupled with the big-bore 500 Auto Max cartridge, puts an unparalleled amount of power into a pleasant shooting, rapid firing, versatile rifle. The combination of size, familiar manual-of-arms, available accessories, and energy on target make the AR500 NEXT GEN Rifle ready to handle almost any situation. MSRP $2,399.

For those seeking power in a more compact format, the AR500 NEXT GEN Pistol redefines what is possible with a semi-auto pistol. Chambered in 500 Auto Max, the pistol offers the strength of the original AR500 Rifle in a maneuverable and portable design. With its 10” barrel and compact AR platform, the AR500P is ideal for close-quarter use and rapid response scenarios. The MSRP for the AR500P is $2,399.

The AR500 NEXT GEN Complete Upper Assembly allows users to transform their existing AR10 lower into an AR500 rifle or pistol. Using a non-proprietary DPMS-style upper, these kits include everything needed to experience the unparalleled power of the AR500. Using modified SR25 magazines, the assembly is both compatible and highly customizable. It includes a complete assembled upper, an 18” barrel (rifle) or 10” barrel (pistol), adjustable gas block, muzzle brake, M-Lok free float hand guard, bolt carrier group, buffer, and buffer spring. With an MSRP of $1,200, the Complete Upper Assembly for pistol or rifle delivers exceptional value and performance.

“With the AR500 NEXT GEN line, we’ve taken everything our customers loved about the original AR500 and pushed it even further. Whether you choose the rifle, the pistol, or the upper assembly, you’re getting the most powerful AR platform ever built, designed for shooters who demand unmatched performance and versatility. This isn’t just an upgrade. It’s a new benchmark in big-bore semi-auto firepower,” said Greg Buchel, Owner of Big Horn Armory.

The 500 Auto Max cartridge is a rimless version of the 500 S&W Magnum. This versatile cartridge accommodates bullets ranging from 350 grains to an astounding 700 grains, making it suitable for applications ranging from precision shooting to stopping the largest game animals. The combination of this cartridge’s power and the AR500 platform creates an unparalleled shooting experience.

Big Horn Armory’s AR500 NEXT GEN series is now available and shipping. For more on Big Horn Armory, please visit www.bighornarmory.com or any of its social media platforms: Facebook, Instagram, YouTube, MeWe, LinkedIn, TikTok, or X.