ATI Milsport RIA | 5.56 NATO | 16″ Barrel | 30rd

The American Tactical / ATI Milsport RIA is a semi-automatic 5.56 NATO / .223 Rem platform built around a 16″ threaded barrel and a 13″ M-LOK handguard. It features a 6-position A2-style tactical stock and flip-up adjustable sights for straightforward utility on the range. For an optic that pairs cleanly with this rifle, consider the Vortex Strike Eagle 1-6×24 for close-to-mid range accuracy and rapid target acquisition.

Common applications include recreational target shooting and varmint or small-game field use where a lightweight, versatile AR-pattern rifle is appropriate.

Product Specifications

• The action is Semi-Auto.
• The caliber is 223 Rem | 5.56 NATO.
• The barrel measures 16″.
• The handguard is a 13″ M-LOK with an integrated Picatinny top rail.
• The rate of twist is 1-in-8″.
• The capacity is 30 rounds.
• The number of magazines included is 1.
• The magazine description is 30 rd..
• The sights are Flip-Up Sights.
• The sight type is Adjustable Sights.
• The thread pattern is 1/2×28.
• The stock is a 6-position A2 tactical stock.
• The finish is Black.
• The weight is 6lbs.
• The UPC is 810113114545.

Built for straightforward utility, the Milsport RIA balances familiar AR ergonomics with a threaded 16″ barrel and a slim M-LOK handguard to accept modern accessories. It’s configured for shooters who value a durable, adaptable platform for range work and field use without unnecessary complexity. The rifle’s combination of a 1-in-8″ twist and a 16″ barrel makes it compatible with a wide range of 5.56/.223 loads, and the integrated rail and adjustable sights make it ready for optics or iron-sight operation.

Related Videos: