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The DoubleStar STAR-15 Stripped Lower is the serialized heart of an AR-15 build, and it's the kind of part you want to get right before anything else goes on. DoubleStar machines this receiver to military specifications from 7075-T6 aluminum forgings, which is the same material and process behind the receivers people trust on hard-use guns. It ships completely bare, no fire-control parts, no trigger, no buffer hardware, just a clean, well-cut receiver ready for you to make it your own.
Forged 7075-T6 is stronger and more rigid than cast or billet alternatives at this level, and it holds up to years of shooting without loosening up. DoubleStar finishes the receiver with a hard coat anodize, which is what gives it that even black look and the abrasion resistance to shrug off holster wear, range grime, and general knocking around. Builders who have run these consistently point to the tight fit against a matching upper, often snug enough to skip an accuwedge or shim.
Because it's a true mil-spec receiver, this lower takes standard AR-15 lower parts kits and drop-in triggers without drama. It's marked to run multiple calibers on the AR platform, so whether you're setting up a 5.56 NATO carbine, a .223 plinker, or branching into another AR-pattern chambering, the receiver won't be the limiting factor. Pair it with a lower parts kit, the buttstock or brace of your choice, a buffer assembly, and an upper, and you've got the makings of a complete rifle.
At right around half a pound bare, the STAR-15 is light without feeling flimsy, and the machined logo and markings are cleanly done. For a first build or a fifth, it's a straightforward, dependable starting point that leaves all the fun decisions up to you.
This is a bare receiver, so you'll need a lower parts kit that includes the trigger, hammer, safety selector, magazine release, and springs. You'll also want a buffer tube assembly, a stock or brace, and a complete upper receiver. Once those are together with the lower, you have a functioning rifle.
Yes. DoubleStar machines this lower to military specifications from a 7075-T6 forging, so it uses standard mil-spec fire-control dimensions. That means off-the-shelf lower parts kits and drop-in triggers designed for the AR-15 platform will fit as expected.
The receiver is marked for multiple calibers on the AR platform. Most builds run .223 Remington or 5.56 NATO, but since the lower doesn't dictate chambering, you can pair it with an upper in other AR-15 pattern cartridges. The upper and its barrel determine the caliber, not the lower.
Builders regularly note tight, in-spec tolerances and a clean hard coat anodized finish. The fit against a matching upper tends to be snug, and the machined markings and logo are crisply done. For the price point, the fit and finish tend to match receivers that cost more.
| UPC | 841348102496 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DSCL101 |
| Action | |
| Caliber/Gauge | Multi |
| Color | Black |
| Model | |
| Product Type | Stripped Lower Receiver |
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