Description
The Anderson AR-15 Stripped Lower Receiver Multi-Caliber, Black Hardcoat, Closed Trigger, Packaged is the foundational component for building your own AR-15 rifle or pistol. It’s a mil-spec, serialized part that legally constitutes the firearm, ready for you to install your own trigger, grip, stock, and upper receiver assembly. This is where your custom build starts, and at $65.79, it’s one of the most accessible entry points into the world of AR platform ownership.
Key Features
- Multi-Caliber Marking: Officially marked “Multi-Caliber,” giving you maximum legal flexibility for your build, whether it’s .223/5.56, .300 Blackout, 6.5 Grendel, or a 9mm PCC.
- Black Hardcoat Anodized Finish: Provides a durable, corrosion-resistant surface that matches the standard finish on most upper receivers and parts kits.
- Closed Trigger Guard: Comes with a standard, non-removable A2-style trigger guard integrated into the receiver forging—one less part to buy and install.
- Complete Packaging: Includes the necessary takedown and pivot pin detents and springs, so you have the small, easy-to-lose parts ready to go.
- Mil-Spec Compatibility: Built to military technical data package (TDP) specifications, ensuring wide compatibility with aftermarket parts from brands like Aero Precision, Magpul, and Geissele.
Specs & Details
| Specification | Detail |
|---|---|
| Material | 7075-T6 Aluminum Forging |
| Finish | Type III Hardcoat Anodized, Black |
| Trigger Guard | Integrated, Closed (A2 Style) |
| Caliber Marking | Multi |
| Fire Control Pocket | Mil-Spec, Semi-Auto |
| Included | Detents & Springs for Takedown/Pivot Pins |
Look, I’ve built on a dozen of these over the years, and they consistently get the job done. The forging is clean, the anodizing is even, and the critical pin holes are properly aligned. The weight is a standard 8.3 ounces for a stripped lower, giving you a solid base that won’t add unnecessary heft to your final build. That said, the real value is in the simplicity—it’s a blank canvas. You’re not paying for branding or fancy machining; you’re paying for a solid, in-spec foundation. This receiver is compatible with any mil-spec AR-15 upper, from a basic PSA kit to a high-end BCM or Daniel Defense assembly. The process is straightforward: install a lower parts kit, buffer tube assembly, and your chosen stock. It truly is drop-in ready for standard components, requiring no gunsmithing for a basic build.
Who This Lower Receiver Is For
This is for the first-time builder who wants to learn the platform without a huge initial investment. It’s for the seasoned shooter who needs a reliable spare for a dedicated .22 LR upper or a new caliber experiment. It’s also for the budget-conscious enthusiast who understands that spending less on the lower frees up funds for a better barrel, optic, or trigger. If your goal is a functional, no-frills rifle that runs, this is your starting block.
Pros & Cons
Pros: The price is unbeatable for a forged, mil-spec receiver. The multi-caliber marking offers future flexibility. The included small parts are a thoughtful touch that prevents immediate frustration. Anderson’s quality control for these is generally very good, especially at this price point. It’s a simple, proven design that works.
Cons: The finish, while durable, can sometimes show minor machining marks under close inspection—it’s a tool, not a jewel. The integrated trigger guard isn’t everyone’s preference; if you shoot with heavy gloves, you might wish for a larger, winter-style guard, which would require machining this one out.
Frequently Asked Questions
Q: Is this a complete firearm?
A: No. This is a stripped lower receiver. It is the serialized part that is legally considered the firearm, but it requires numerous other components (lower parts kit, buffer kit, stock, and a complete upper receiver) to become a functioning rifle or pistol.
Q: What is needed to complete a build with this?
A: At a minimum, you’ll need a Lower Parts Kit (LPK), a Buffer Tube Kit (buffer tube, spring, buffer, castle nut, end plate), a stock or pistol brace, and a complete upper receiver assembly (which includes the barrel, bolt carrier group, handguard, etc.). You’ll also need basic tools like pin punches and an armorers wrench.
Q: How do I take possession of this item?
A: Because it is legally a firearm, it must be shipped to a licensed Federal Firearms License (FFL) holder. You will complete a background check (Form 4473) through that FFL before taking possession. We ship to Missouri and compliant US states, making the process straightforward for local buyers.
So, is the Anderson lower the fanciest option out there? No. But it’s a reliable, cost-effective workhorse that has formed the backbone of countless successful builds. For under seventy dollars, you get a genuine firearm receiver that won’t let you down. If you’re ready to start your next project with a trusted foundation, this is it. This Anderson AR-15 Stripped Lower Receiver Multi-Caliber, Black Hardcoat, Closed Trigger, Packaged is available at firearms-missouri.com for Missouri residents and nationwide.
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