The 6mm ARC cartridge has changed expectations for AR-platform precision, letting operators and sport shooters push effective, supersonic performance well beyond typical intermediate rounds. For shooters who want a compact, familiar rifle that reaches out to long range without swapping platforms, this rifle is designed to deliver consistency and practical accuracy.

AMERICAN TACTICAL IMPORTS MILSPORT RIA 6MM ARC RIFLE

Design and key features

The AMERICAN TACTICAL IMPORTS MILSPORT RIA 6MM ARC RIFLE pairs a familiar AR-style ergonomics with a performance-oriented 18″ phosphate-coated barrel. The barrel spec—18″ length with a 1:7.5 twist and A2 flash hider—supports stabilized flight for a range of bullet weights commonly used in 6mm applications. The rifle ships with a single 10‑round magazine and aluminum upper and lower receivers for durable, lightweight handling.

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Rail, stock, and controls

This model includes a 10″ free-float KeyMod handguard that reduces barrel contact and simplifies accessory placement. The six-position adjustable stock gives shooters immediate control over length of pull for optic-backed precision or rapid transitions. Controls are AR-standard, minimizing the training curve for shooters moving from other AR-pattern rifles.

Ballistics and the 6mm ARC advantage

Derived from the 6.5 Grendel and necked to 6mm, the 6mm ARC offers high ballistic coefficient projectiles that remain supersonic at 1,000 yards in many loadings. That means flatter trajectories, reduced wind drift, and predictable long-range drop—metrics that matter for precision shooting at extended distances without departing from the AR-15 footprint.

Who this rifle is for and pricing

This rifle suits competitive shooters, precision-minded hunters using legal ranges, and tactical-oriented shooters who want extended engagement capability while retaining standard AR ergonomics. At a listed price of $850.99, it provides a balanced entry point into purpose-built 6mm ARC rifles with solid hardware and practical feature set.

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