ATI ALPHA MAXX RIA FDE Rifle .300 Blackout 30rd Magazine 16'' Barrel 13'' MLOK Handguard

The ATI ALPHA MAXX RIA FDE rifle in .300 Blackout is a modern, modular platform built for shooters who want configurability without sacrificing reliability. Chambered in .300 Blackout—a cartridge equally at home for suppressed subsonic loads or supersonic hunting rounds—this rifle bridges the gap between precision and practicality. The 16-inch barrel strikes a balance between velocity and handling, while the 13-inch M-LOK handguard gives you genuine accessory real estate for lights, lasers, grips, and other tactical attachments. Finished in flat dark earth (FDE), it's built for those who work hard and want gear that looks the part.

This is a rifle for hunters running suppressors, 3-gun competitors, home defense setups, and shooters who've outgrown the "one gun does everything" compromise. The M-LOK slots accept industry-standard mounting solutions, so your existing inventory of tactical accessories integrates immediately. The 30-round magazine capacity—paired with the .300 Blackout chambering—means you've got practical firepower for extended range sessions or training days without frequent reloads.

ATI's reputation rests on delivering functional, no-frills firearms that work. The ALPHA MAXX RIA carries that DNA: straightforward design, accessible controls, and the modularity serious shooters demand. Whether you're building a hunting rig, a suppressed plinker, or a home defense carbine, this platform gives you the foundation to make it yours.

Key Features

• .300 Blackout chambering—ideal for suppressed shooting and hunting
• 16-inch barrel for balanced velocity and portability
• 30-round magazine capacity
• 13-inch M-LOK handguard for modular accessory mounting
• Flat dark earth (FDE) finish
• Modular platform design for customization and upgrades

Specifications

Frequently Asked Questions

What is the .300 Blackout cartridge best used for?

.300 Blackout excels with both subsonic and supersonic ammunition. It's popular for suppressed shooting due to its effectiveness with subsonic loads, and it's equally capable for hunting and tactical applications with standard supersonic rounds. The cartridge delivers rifle-level power from a compact platform.

Will my tactical accessories fit the M-LOK handguard?

Yes. The 13-inch M-LOK handguard accepts any standard M-LOK-compatible accessory, including lights, lasers, vertical grips, and other tactical attachments. M-LOK is an industry standard, so your existing gear integrates without adapters.

Is the 16-inch barrel suitable for hunting?

Yes. The 16-inch barrel provides effective velocity for .300 Blackout hunting applications. Ballistics will vary depending on ammunition selection—subsonic loads prioritize noise signature and suppressor compatibility, while supersonic loads deliver improved range and energy for game.

What does FDE mean, and why does it matter?

FDE (Flat Dark Earth) is a neutral, earth-tone finish that blends well in outdoor and field environments while remaining distinct from black. It's purely aesthetic, though many operators prefer the look and find it practical for hunting and tactical use.