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The .300 Blackout was developed specifically to perform out of short barrels, and a 10 inch tube is right in its sweet spot. That is what makes the Andro Corp ACI-15 Halo such a sensible build. You get nearly all the ballistic performance the cartridge has to offer in a package short enough to move through tight spaces, ride in a truck, or sit quietly in the safe until range day rolls around.
The barrel is 4150 chrome moly vanadium steel with a black nitride QPQ treatment inside and out, so wear and corrosion resistance are baked in rather than sprayed on. The 1:7 twist stabilizes everything from lightweight supersonic loads to heavy 220 grain subsonics, and the 5/8×24 threaded muzzle means adding a suppressor or swapping muzzle devices takes minutes. A pistol-length gas system with a .750 low-profile gas block keeps cycling consistent, which matters a lot when you start mixing subsonic ammo into the rotation.
Both receivers are forged 7075-T6 aluminum with a Type 3 hard coat anodized finish, and the T-marked upper includes a forward assist and ejection port cover like it should. A full-auto rated M16 bolt carrier group and M4 feed ramps handle the reliability side, while the 9 inch free-float M-LOK handguard and full-length Picatinny rail give you plenty of real estate for optics, lights, and grips. The SB Tactical SBA3 adjustable brace and a 30 round magazine complete the package.
Andro Corp builds these in Winter Garden, Florida, and backs them with a lifetime warranty. Owners consistently report clean function with suppressed subsonics right out of the gate, which says a lot about how the gas system is tuned. For a first jump into .300 Blackout or a purpose-built compact setup, this one is tough to argue with.
Yes, and this is where the platform shines. The pistol-length gas system is tuned for the cartridge, and the 1:7 twist barrel stabilizes heavy subsonic bullets well. Owners of Andro Corp's 300 Blackout builds regularly report running suppressed subs and supers without cycling issues, and the 5/8×24 threaded muzzle accepts most common suppressor mounts.
It does. Since .300 Blackout is based on the 5.56 case, it feeds from standard AR-15/STANAG pattern magazines, and one 30 rounder ships with the pistol. Just be careful to keep your Blackout mags clearly marked if you also shoot 5.56, since the rounds look similar at a glance.
Andro Corp Industries backs its firearms with a lifetime warranty, and the company has a solid reputation for responsive customer service. These are built in Winter Garden, Florida using forged 7075-T6 receivers and mil-spec pattern parts, so replacement and upgrade options are easy to come by.
Absolutely. The cartridge was engineered to burn nearly all of its powder in a short barrel, so a 10 inch tube gives up very little velocity compared to a 16 inch rifle. That makes this length one of the most popular choices for the caliber, balancing ballistic performance with a truly compact overall package.
| UPC | 615629691272 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 30010HBMPS |
| Action | |
| Barrel Length | 10" |
| Caliber/Gauge | .300 AAC Blackout |
| Capacity | 30 + 1 |
| Safety | Safety Selector |
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