
Availability: In Stock
The ATI Alpha Maxx RIA is a 5.56mm rifle built for shooters who want a modern, modular platform without breaking the bank. With a 16-inch pencil barrel, M-LOK handguard, and flat-top receiver, this AR-pattern rifle delivers the versatility serious shooters demand—whether you're training at the range, running drills, or getting familiar with the platform. The 9-inch M-LOK handguard gives you plenty of real estate for mounting lights, lasers, grips, or other accessories exactly where you want them.
What sets the Alpha Maxx RIA apart is the included 60-round capacity magazine, giving you extended trigger time between reloads. The pencil profile barrel keeps weight down while maintaining reliability, and the modular design means you can swap components, upgrade furniture, or reconfigure the rifle to suit your mission. Built on the proven AR-15 platform, it's compatible with standard parts, magazines, and accessories—so you're never locked into proprietary gear.
If you're a new shooter building your first rifle, a range regular looking to add another trustworthy platform to your safe, or someone who values modularity and value in equal measure, the ATI Alpha Maxx RIA is worth a serious look. It's the kind of rifle that rewards familiarity without fussy maintenance, and the flat-top receiver with forward assist and ejection port cover handles everything from casual plinking to more demanding accuracy work.
| Caliber | 5.56mm NATO |
| Barrel Length | 16 inches |
| Barrel Profile | Pencil |
| Handguard | 9-inch M-LOK |
| Receiver Type | Flat-top |
| Magazine Capacity | 60 rounds (included) |
| Features | Forward assist, ejection port cover |
The ATI Alpha Maxx RIA comes with a 60-round magazine, so you can start shooting right away. Standard sights are not included; you'll need to add optics or iron sights to your flat-top receiver, which gives you total freedom to choose what works for your build.
Yes. The Alpha Maxx RIA is built on the proven AR-pattern platform, so it accepts standard AR-15 magazines, grips, stocks, and upper receiver components. The 9-inch M-LOK handguard is compatible with industry-standard M-LOK accessories for lights, foregrips, and rail sections.
The 5.56mm caliber, 16-inch barrel, and modular design make this rifle suitable for range training, target shooting, or sport shooting. The pencil barrel keeps weight low for extended handheld shooting, and the flat-top receiver is ready for any optic or sight combination you choose.
No. The rifle features a flat-top receiver and forward assist but does not include sights. You'll add iron sights, a red dot, scope, or other aiming system to match your intended use.

SKU: 120915215 • Weight: 7.75oz





Availability: In Stock
The ATI Alpha Maxx RIA is a 5.56mm rifle built for shooters who want a modern, modular platform without breaking the bank. With a 16-inch pencil barrel, M-LOK handguard, and flat-top receiver, this AR-pattern rifle delivers the versatility serious shooters demand—whether you're training at the range, running drills, or getting familiar with the platform. The 9-inch M-LOK handguard gives you plenty of real estate for mounting lights, lasers, grips, or other accessories exactly where you want them.
What sets the Alpha Maxx RIA apart is the included 60-round capacity magazine, giving you extended trigger time between reloads. The pencil profile barrel keeps weight down while maintaining reliability, and the modular design means you can swap components, upgrade furniture, or reconfigure the rifle to suit your mission. Built on the proven AR-15 platform, it's compatible with standard parts, magazines, and accessories—so you're never locked into proprietary gear.
If you're a new shooter building your first rifle, a range regular looking to add another trustworthy platform to your safe, or someone who values modularity and value in equal measure, the ATI Alpha Maxx RIA is worth a serious look. It's the kind of rifle that rewards familiarity without fussy maintenance, and the flat-top receiver with forward assist and ejection port cover handles everything from casual plinking to more demanding accuracy work.
| Caliber | 5.56mm NATO |
| Barrel Length | 16 inches |
| Barrel Profile | Pencil |
| Handguard | 9-inch M-LOK |
| Receiver Type | Flat-top |
| Magazine Capacity | 60 rounds (included) |
| Features | Forward assist, ejection port cover |
The ATI Alpha Maxx RIA comes with a 60-round magazine, so you can start shooting right away. Standard sights are not included; you'll need to add optics or iron sights to your flat-top receiver, which gives you total freedom to choose what works for your build.
Yes. The Alpha Maxx RIA is built on the proven AR-pattern platform, so it accepts standard AR-15 magazines, grips, stocks, and upper receiver components. The 9-inch M-LOK handguard is compatible with industry-standard M-LOK accessories for lights, foregrips, and rail sections.
The 5.56mm caliber, 16-inch barrel, and modular design make this rifle suitable for range training, target shooting, or sport shooting. The pencil barrel keeps weight low for extended handheld shooting, and the flat-top receiver is ready for any optic or sight combination you choose.
No. The rifle features a flat-top receiver and forward assist but does not include sights. You'll add iron sights, a red dot, scope, or other aiming system to match your intended use.
SKU: 120915215 • Weight: 7.75oz
