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Every good AR-10 build starts with a lower you can trust, and the Combat Armory Billet AR-10 Lower Receiver gives you a stout, true-to-spec foundation to work from. It's cut from a solid block of 7075-T6 aluminum on a CNC machine rather than forged, which means tighter tolerances and a rigid feel that holds up to the pounding a .308 platform dishes out. It comes finished in a clean black anodized coating and carries the DPMS pattern, so it plays nice with most LR-308 uppers, handguards, and components on the market.
This particular version arrives with the magazine release and ejector already installed, which knocks a couple of the fiddlier steps off your build list. The trigger guard is machined right into the receiver in a Magpul-style profile, so there's no separate guard to pin in and no roll pins to scratch your finish. Up front you get a flared magwell that funnels magazines in fast, a nice touch when you're running drills or topping off in a hurry.
Since this is a stripped lower, you'll finish it out with a DPMS-pattern lower parts kit, a trigger group, a buffer tube assembly, and a matching upper. One handy thing about the LR-308 platform is that it shares a good number of parts with the AR-15, so a lot of the small stuff you might already have on the bench will carry over. Whether you're piecing together a long-range precision rig, a hunting gun, or a general-purpose .308, this lower is a dependable place to begin.
Combat Armory has a reputation for turning out solid machine work at a fair price, and their receivers see use with military, law enforcement, and everyday firearms enthusiasts alike. If you want a billet look and feel without overthinking parts compatibility, this one checks the boxes.
It's a DPMS pattern lower, also known as the LR-308 pattern. That means it pairs with most DPMS Gen 1 style .308 uppers, handguards, and components, which are the most common and easiest to source on the market. Just make sure your upper is DPMS pattern and not the Armalite pattern, since those two aren't interchangeable.
Since it ships stripped, you'll add a DPMS-pattern lower parts kit, a trigger group, a buffer tube and stock assembly, and a complete or stripped upper. The good news is the mag release and ejector are already installed on this version, so a couple of steps are handled for you. Many of the small internal parts also cross over from the AR-15, so builders often have some of what they need on hand.
Billet lowers are machined from a solid block of aluminum, which gives you tighter tolerances and a distinctive look compared to forged. This one uses 7075-T6, the same aircraft-grade alloy trusted throughout the AR world, so you get strength along with the premium billet feel. For most builders the choice comes down to the aesthetics and features you want.
Yes, DPMS-pattern .308 lowers like this one accept most standard AR-15 fire control groups, which makes upgrading your trigger simple and affordable. That compatibility is one of the reasons the LR-308 platform is so popular. You can drop in a quality aftermarket trigger without hunting for anything proprietary.
| UPC | 789091896647 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | STP.CA10.Lower.BLK |
| Shipping Weight | 0.95 |
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