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Pick up the ATI Alpha Maxx RIA and the first thing you notice is how little there is to notice. This thing is light. American Tactical built both the upper and lower receivers from reinforced polymer, then backed up the high-stress areas with metal inserts, including an over-molded insert that gives the buffer tube and rear takedown pin true metal-on-metal contact. The result is an AR-15 that carries like a rimfire trainer but runs standard 5.56 NATO through a proven direct impingement gas system with M4 feed ramps.
The 16" pencil-profile barrel is made from 4150 CrMoV steel with a 1:8 twist, which stabilizes everything from light 55 grain plinking loads up to heavier 69 and 77 grain match bullets. It shoots .223 Rem just as happily as 5.56, so feed it whatever brass-cased ammo is on the shelf. The muzzle comes threaded 1/2×28, so adding a different brake or flash hider down the road is a five minute job. Up top you get a flat-top Picatinny rail for optics, and ATI includes a set of flip-up front and rear sights so you can start punching paper the day it comes home. The 9" handguard has M-LOK slots up front for a light or hand stop, with a closed section near the receiver that keeps your support hand off hot metal during longer strings.
A six-position adjustable stock dials in length of pull for different shooters and layers of clothing, and the rifle feeds from any standard AR-15 magazine, with a 30-rounder included in the box. For new AR owners, high-volume range days, or anyone tired of lugging an eight pound carbine around, the Alpha Maxx RIA delivers the familiar AR manual of arms in a package that is genuinely easy to live with. ATI backs it with a limited lifetime warranty, which is reassuring at any price point.
Yes. It feeds from any mil-spec AR-15 magazine, so your existing PMAGs, aluminum GI mags, and steel mags will all drop right in. One 30-round magazine ships with the rifle to get you started.
ATI reinforces the polymer with metal inserts at the high-stress points, including an over-molded insert in the buffer tube housing that gives the buffer tube and rear takedown pin metal-on-metal contact. There's also a patented hammer and trigger pin retention system that keeps those pins from walking during firing. For range days, training, and general use, it holds up well, and ATI backs it with a limited lifetime warranty.
Absolutely. The 5.56 NATO chamber safely handles both 5.56 and .223 Rem. The 1:8 twist barrel is a versatile middle ground that stabilizes common 55 grain range ammo as well as heavier 69 to 77 grain loads. Brass-cased ammunition is the way to go for the most consistent cycling.
No, it's ready to go out of the box. The Alpha Maxx RIA includes flip-up front and rear sights already mounted, so you can zero and shoot the day you pick it up. The flat-top Picatinny rail also lets you add a red dot or scope whenever you're ready, and the flip-ups fold down out of the way.
| UPC | 810113111025 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ATIGAX5569ML |
| Action | |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Finish | Black |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Color | Black |
| Length | 40.3000 |
| Model | |
| Product Type | AR |
| Shipping Weight | 7.7 |
| Sights | Flip Up Front & Rear |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (Guam) | NO SALE TO GUAM |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (PR) | NO SALE TO PUERTO RICO |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (VI) | NO SALE TO VIRGIN ISLANDS |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
| Units per Box | 1 |
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