The Black Rain Ordnance .458 SOCOM Complete Upper (brand part no. BRO-SPEC15-CU-458S) drops a hard-hitting big-bore chambering onto the standard AR-15 platform with a 16-inch barrel built to meet the federal rifle-length minimum. Black Rain Ordnance, founded in 2009, builds its rifles and uppers with a stated goal of using only American metal and machining, aiming to produce parts the company’s own team would be proud to own. The .458 SOCOM cartridge was designed to deliver serious big-game and close-range stopping power out of a standard AR-15-length platform, making this upper a straightforward way to add that capability to an existing lower without building a whole new rifle. Since this is an upper assembly only, it installs onto any compatible AR-15 lower receiver without requiring a separate FFL transfer.

Key Specifications

• Chambered in .458 SOCOM for big-bore, close-range stopping power.
• Barrel measures 16 inches, meeting the federal rifle-length minimum.
• Built using American-sourced metal and machining per the manufacturer’s stated standard.
• Sold as a complete upper assembly, ready to mount on a compatible AR-15 lower.

Frequently Asked Questions

Does this upper require an FFL transfer? No, a complete upper without a lower receiver isn’t the regulated part of an AR-15, so it can ship without an FFL transfer.

What caliber is this upper chambered in? .458 SOCOM, a big-bore cartridge built for hard-hitting close-range performance.

What barrel length does it use? 16 inches, meeting the federal minimum rifle barrel length.

Buy the Black Rain Ordnance .458 SOCOM AR-15 Complete Upper, 16 Inch, Black

Add serious big-bore capability to your AR-15 lower without a full rifle build. Shop more Black Rain Ordnance uppers in our AR15 uppers selection. Order it from our Lubbock, Texas gun shop as soon as it’s available.