Description
Picture this: you’re piecing together your next AR-15, a rifle you intend to trust. You’ve got the upper, the optic, the stock picked out. The foundation—the lower receiver—needs to be solid, reliable, and ready to build upon without fuss. That’s where this stripped-but-functional component comes in. The DPMS AR-15 .223/5.56 Lower receiver, parts kit installed less stock, is a serialized, mil-spec lower receiver with the essential fire control group, magazine catch, and bolt catch already installed. It’s the core of your rifle, ready for you to add your choice of buffer tube, stock, and upper receiver to complete a functional firearm. For a foundational component, its price point of $131.87 makes it a practical starting block.
This isn’t a paperweight. It’s a drop-in ready starting point designed to accept a wide array of standard AR-15 components. The lower is constructed from durable 7075-T6 aluminum, anodized for corrosion resistance, and features a standard fire control pocket. The included parts kit—trigger, hammer, disconnector, safety selector, magazine release, and pivot/takedown pins—means you don’t need a collection of tiny springs and pins or specialized tools to begin. It fits out of the box with any mil-spec AR-15 upper receiver, like those from Palmetto State Armory or Aero Precision, creating a tight, reliable fit. The threaded buffer tube interface is ready for your immediate choice of carbine or rifle-length stock system. This is about getting you from parts bin to functional lower assembly with minimal downtime.
| Specification | Detail |
|---|---|
| Manufacturer | DPMS / Remington |
| Model | AR-15 Lower Receiver |
| Caliber | .223 Remington / 5.56x45mm NATO |
| Material | 7075-T6 Aluminum Forging |
| Finish | Hardcoat Anodized |
| Fire Control Group | Mil-Spec, Installed |
| Included | Lower Parts Kit (Less Stock/Trigger Guard) |
The Pros: The primary advantage is time saved. With critical parts installed, you bypass the most fiddly part of a build. The mil-spec design guarantees broad compatibility—this lower will mate with countless uppers and accept nearly any AR-15 stock or grip on the market. Its forged construction offers proven strength at a weight that won’t burden a build. The Cons: You still need to source a buffer tube, buffer, spring, stock, and pistol grip to have a complete lower assembly. The installed trigger is a basic mil-spec unit; it’s functional but not a precision upgrade. You must remember that an FFL transfer is required for firearm purchases, including this serialized receiver.
So who is this for? It’s for the builder who values a head start. It’s for the Missouri shooter assembling a dedicated home defense rifle who wants a reliable foundation without the hassle of installing a dozen small parts. It’s for the marksman creating a spare lower for a future dedicated .22 LR upper or a different caliber conversion. It’s also an intelligent choice for a first-time builder intimidated by the small parts of a lower parts kit—this gets you past that hurdle. Available at firearms-missouri.com for Missouri residents and nationwide, it simplifies the initial phase of your project.
Frequently Asked Questions
Q: Is this a complete firearm?
A: No. This is a serialized lower receiver, which is the federally regulated “firearm” component. It is sold as a “stripped lower” but with the internal fire control parts installed. To create a functioning rifle, you must attach a complete upper receiver assembly, a buffer tube system, a stock, and a pistol grip.
Q: What exactly is NOT included with “parts kit installed less stock”?
A: The phrase “less stock” means the stock itself, the buffer tube, buffer, and buffer spring are not included. Typically, a pistol grip is also not included. The installed parts are the internal fire control group (trigger, hammer, disconnector), safety selector, magazine release, bolt catch, and pivot/takedown pins.
Q: Can I use this lower with a 9mm AR upper or a .300 Blackout upper?
A: Yes, with the correct magazine and buffer system. The lower receiver itself is chambered for .223/5.56, but that designation primarily relates to the barrel. This mil-spec lower can be used to build pistols or rifles in other calibers that use the AR-15 platform, like 9mm (with a mag block or dedicated lower parts) or .300 AAC Blackout, by pairing it with the appropriate complete upper receiver and magazines.
Ready to secure the foundation of your next build? This DPMS lower is in stock and waiting to start your project.
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