Description
A complete rifle, built around the super selector. Add an optic and go shooting.
Here’s what makes the Atrius Super Selector so cool: it isn’t a trigger, and it isn’t some complicated swap. It’s a safety selector with a third position. Flip past SAFE and SEMI to SUPER-SEMI and your trigger suddenly resets fast — giving you quick, controlled follow-up shots that feel like nothing else on a standard AR. Want to settle back down for precise single shots? Just thumb it back to SEMI. Same rifle, two totally different personalities — all from one flip of your thumb.
The thing about the super selector is that it asks a lot of a rifle — it cycles the action hard and fast, so the rest of the build has to keep up. That’s why we didn’t just drop one in and call it a gun. We built the whole rifle around it, fit it, torqued it to spec, and function-checked it before it ever left the shop. No fitment headaches, no guesswork, no late-night YouTube rabbit holes — it shows up ready to run.
Here’s what makes it run right:
- An H2 buffer, weight-matched to this 16″ mid-length gas system, keeps the action cycling smooth and consistent — exactly what a forced-reset selector wants.
- Our Dirty Bird Enhanced BCG runs a full-auto-profile carrier with relocated load-bearing surfaces to cut down on carrier tilt, plus an HP-tested, MPI-inspected 9310 bolt — the kind of durability that matters when you’re cycling fast.
- Our Dirty Bird Nickel Teflon trigger gives you a smooth, clean break, and it’s exactly the kind of trigger the Atrius is designed to work with. It even ships with a reduced-power spring set if you like a lighter pull.
Three flips of the thumb:
- SAFE — locked up and ready to carry
- SEMI — your normal, accurate single shots
- SUPER-SEMI — forced-reset fire for fast, fun, controlled follow-ups
What you’re getting:
- 16″ 5.56 NATO barrel, mid-length gas — eats a huge range of ammo with a smooth shooting impulse
- The Atrius 3-Position Super Selector — heat-treated 4140 steel, crisp 90° throw, made in the USA — installed and dialed in
- 15″ Dirty Bird SMRS Gen 2 M-LOK handguard — free-float, M-LOK, snag-free octagonal profile, and the ASAL anti-slip/anti-lift mount locks it on so it won’t budge, rotate, or lift
- Dirty Bird Enhanced BCG — 9310 bolt, Black Nitride finish, HP-tested and MPI-inspected
- Dirty Bird Single-Stage Nickel Teflon trigger — smooth, clean break with a reduced-power spring set in the box, backed by the Dirty Bird Limited Lifetime Warranty
- H2 buffer, NOLO forged lower and flat-top upper, A2 flash hider, mil-spec charging handle, A2 grip, M4 carbine stock
- Optic-ready flat-top — mount your favorite red dot or LPVO
- Assembled and function-checked in Youngsville, NC
A few quick things to know:
- Ships to your FFL — a complete rifle is a firearm
- Chambered in 5.56 NATO (also runs .223 Rem)
- Optic-ready — no sights or optic included
- Can’t ship to: CA, CT, DE, FL, HI, IL, MA, MD, MN, NJ, NY, OR, RI, WA, D.C., U.S. territories, or overseas
No logo, no nonsense, no build night required — just add an optic, flip to that third position, and have some fun.
Holosun ARO Advanced Rifle Enclosed Sight
The Holosun ARO Multi-Reticle Green Dot Sight builds on the success of the 20mm 403 and 503 series, introducing a refined 22mm housing and a new 1.63″ lower 1/3 co-witness pedestal mount. Shake Awake technology conserves battery life by deactivating the LED when idle and instantly reactivating it with the slightest motion. Powered by a CR2032 battery, the ARO delivers up to 50,000 hours of operation at mid-level brightness. With 10 brightness settings, including two for night vision, and a durable aluminum housing with a corrosion-resistant finish, this optic is built for rugged reliability.
Features:
- Compact 22mm optic for long guns
- Shake Awake Technology
- Powered by a CR2032 battery
- 12 Settings – 10 daylight, 2 night vision
- Aluminum housing with corrosion-resistant finish
- Includes a 1.63″ lower 1/3 co-witness pedestal mount
Specifications:
- Battery Life: 25,001 – 50,000 Hours
- Battery Type: CR2032 3V Lithium Coin
- Brightness: 12 Settings
- Color: Black
- Emitter Type: Closed Emitter
- Material: Aluminum
- Mount Compatibility: Aimpoint Micro
- Night Vision Compatible: Night Vision Compatible
- Optic Series: Holosun ARO
- Reticle: Multiple and 2 MOA Dot
- Reticle Color: Green, Red and Gold
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