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The Sharps Bros Hellbreaker Gen 2 is a stripped lower receiver built for builders who want striking looks without sacrificing function. Machined from 7075-T6 aluminum and finished with hardcoat anodize, this billet lower gives you the precision fit and design flexibility that set it apart from standard mil-spec receivers.
The Hellbreaker's appearance takes inspiration from the P-40 Warhawk fighter plane, one of America's most-produced aircraft from World War II. That translates to aggressive lines and a unique aesthetic you won't find on conventional lowers. The Gen 2 updates include a threaded bolt catch pin, reduced weight compared to earlier versions, and refined styling that makes it look polished without being over-the-top.
This isn't just about looks. The oversized integral trigger guard gives you plenty of room for gloved operation, and the beveled magazine flare makes reloading smoother and faster. The lower is marked for multi-caliber use, so it works with standard AR-15 cartridges like 5.56 NATO, .223 Rem, and 300 Blackout. At 8.9 ounces, it's lightweight without feeling cheap or flimsy.
The hard coat anodize finish (per MIL-A-8625 spec) offers serious durability, providing the same level of corrosion resistance used in military and aerospace applications. This is a billet receiver that's genuinely built to last.
Being a stripped lower, this receiver ships without any internal parts, trigger, safety, or stock. You'll need to source a lower parts kit, buffer assembly, and stock to complete it. The upside is total control over your build. Want a match-grade trigger? Drop it in. Prefer a specific grip or safety selector? You get to choose. Full compatibility with all mil-spec internal parts, mil-spec upper receivers, GI magazines, and Pmags makes sourcing components straightforward.
A stripped lower requires three main components: a lower parts kit (includes trigger, hammer, safety selector, and pins), a buffer assembly with buffer tube and spring, and a stock or pistol brace. Some builders also prefer to swap in custom triggers, grips, or safeties for their specific build needs.
Yes. The Hellbreaker is fully compatible with all mil-spec internal parts, mil-spec upper receivers, and standard magazines including GI-issue mags and Pmags. The multi-caliber marking means you can use it for builds in 5.56 NATO, .223 Rem, or .300 Blackout calibers.
The Hellbreaker is a billet receiver with a distinctive design inspired by the P-40 Warhawk fighter plane. Compared to standard mil-spec lowers, it features an oversized integral trigger guard, a beveled magazine well for faster reloads, and tighter machining tolerances that pair especially well with quality uppers.
Billet receivers offer design flexibility and a unique appearance you can't get from forged lowers. The Gen 2 Hellbreaker is machined with precision tolerances for tight upper/lower fit. If you want a rifle that looks good and performs reliably without compromise, a billet lower gives you both.
The MIL-A-8625 hardcoat anodize finish used on the Hellbreaker is the same standard applied to military and aerospace components. It provides excellent corrosion resistance and durability for long-term use. The finish will develop a natural patina over time with regular use, adding character to your build.
Yes. The multi-caliber marking and mil-spec compatibility mean the Hellbreaker works for AR-15 pistol builds as well as rifle builds. You'd just need to use a pistol buffer kit with an appropriate buffer tube instead of a rifle buffer kit.
| UPC | 850869008019 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SBLR01 |
| Action | |
| Caliber/Gauge | Multi |
| Color | Black |
| Length | 8.8000 |
| Model | |
| Product Type | Stripped Lower Receiver |
| Style | Stripped |
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