POF Gen4 P-15 Assembled Lower with Trigger & SBA3

Description

You’re piecing together a serious AR-15 build. You want a foundation that’s rock-solid, ready for duty, and doesn’t require a gunsmith’s bench to get running. The core of that build isn’t the flashy upper—it’s the lower receiver. That’s where the POF Gen4 P-15 Assembled Lower .223/5.56, POF Trigger, SBA3, Black comes in. It’s the critical starting block for a high-performance rifle, shipped to your FFL ready for the rest of your components.

What is it? The POF Gen4 P-15 Assembled Lower is a complete, ready-to-mate foundation for your custom AR-15. It includes a premium POF single-stage trigger, an SB Tactical SBA3 pistol stabilizing brace, and all necessary lower parts. This unit is designed for .223 Remington and 5.56x45mm NATO calibers and is finished in a durable black anodizing. At $516.99, it delivers a significant upgrade over a basic stripped lower, bundling essential components in one purchase.

Let’s talk about what makes this assembled lower stand out. First, the trigger. POF didn’t just drop in a generic mil-spec part. They included their own enhanced, single-stage trigger. The break is clean and crisp, with minimal take-up and a positive reset you can feel. It’s a tangible upgrade that improves control and shot placement right out of the gate. Pair that with the included SB Tactical SBA3 brace, and you have immediate adaptability. The SBA3 isn’t just a strap-on piece; it’s an adjustable, polymer-stabilizing brace that provides a solid cheek weld and shoulder interface, making handling more secure and intuitive. The entire assembly is drop-in ready, meaning you can pair it with a compatible AR-15 upper receiver and be in business without specialized tools.

Then there’s the Gen4 lower itself. POF’s design incorporates subtle but meaningful refinements. The flared magwell isn’t just for looks—it speeds up reloads under pressure, guiding magazines home even when your focus is split. The finish is a hard-wearing, type III hardcoat anodizing that resists wear and corrosion. It’s built to tight tolerances, ensuring a snug, rattle-free fit with quality upper receivers from brands like BCM, Aero Precision, and POF’s own uppers. This isn’t a sloppy parts-bin special; it’s a precision-machined starting point engineered for reliability.

Specification	Detail
Model	POF Gen4 P-15 Assembled Lower
Caliber	.223 Remington / 5.56x45mm NATO
Trigger	POF Enhanced Single-Stage
Brace	SB Tactical SBA3 Adjustable Pistol Stabilizing Brace
Finish	Black Hardcoat Anodized
Magazine Compatibility	Standard AR-15 / STANAG Magazines

Pros: The major advantage is the curated component selection. You get a proven, enhanced trigger and a highly popular stabilizing brace included, saving you time and money sourcing them separately. The build quality is high, with a focus on practical features like the flared magwell. It’s a true plug-and-play foundation for a pistol or SBR build.

Cons: The price point reflects the included premium components. If you already have a specific trigger or brace you’re committed to, you’re paying for parts you may not use. As an assembled lower receiver, it requires an FFL transfer for firearm purchases just like any other firearm receiver.

So who is this for? It’s for the builder who values time and wants a no-compromise starting point. It’s ideal for a home defense pistol build where a reliable trigger and stable platform are non-negotiable. It’s also perfect for someone constructing a compact, truck, or trail rifle who wants to skip the guesswork and start with known-quality parts. This lower is available at firearms-missouri.com for Missouri residents and nationwide, ready to form the backbone of your next project.

Frequently Asked Questions

Q: Is this a complete firearm?

A: No. This is an assembled lower receiver, which is the serialized part legally considered a firearm. It requires pairing with a barreled upper receiver assembly, bolt carrier group, and charging handle to create a functioning rifle or pistol. Its purchase must be processed through a licensed firearms dealer (FFL).

Q: Can I shoulder the SBA3 brace?

A: You should always consult current ATF rulings and guidelines regarding the use of pistol stabilizing braces. Regulations and interpretations can change, and it is the firearm owner’s responsibility to be in compliance with all federal, state, and local laws.

Q: What upper receivers will fit this lower?

A: The POF Gen4 P-15 lower is built to standard mil-spec dimensions for AR-15 platforms. It should mate securely with the vast majority of mil-spec upper receivers from manufacturers like Palmetto State Armory, Aero Precision, Bravo Company, and of course, POF’s own uppers. The fit is typically tight and solid with quality components.

Ready to build on a foundation that doesn’t cut corners? The POF Gen4 P-15 Assembled Lower with its premium trigger and brace is in stock and waiting to start your next project.