P80 Full Size Slide Assembly – PF940v2/PFS9 – OD Green - polymer 80
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About this product
The Polymer80 P80 Full Size Slide Assembly for PF940v2/PFS9 frames is a complete, ready-to-install upper assembly for building a full-size 9mm pistol. This unit includes a serialized slide, barrel, guide rod, and sights in an OD Green finish, designed for builders who want to complete a PF940v2 or PFS9 lower without sourcing individual components. Its primary function is to convert an 80% lower into a functioning firearm after the frame milling process is complete.
What is the P80 slide assembly used for?
This slide assembly is used as the functional upper half for a semi-automatic 9mm pistol built on Polymer80's PF940v2 or PFS9 80% lower frames. It provides all necessary components except the frame itself, the lower parts kit, and a magazine, allowing a builder to complete a firearm after machining their receiver. The assembly is ready for immediate installation onto a properly milled and assembled lower, representing the final major component purchase for the build. This approach saves approximately 2-3 hours typically spent sourcing, fitting, and headspacing individual slide parts.
How does the P80 slide assembly compare to an Apex Tactical slide?
The Polymer80 P80 slide assembly is a more cost-effective, out-of-the-box solution than custom builds using an Apex Tactical slide. Where the Apex slide ($320-$400 for the slide alone) offers premium materials and requires the builder to separately purchase and fit a barrel, recoil system, and sights, the P80 assembly includes all these components for $415. The Apex slide, typically machined from 416R stainless steel, is superior for high-volume shooters seeking extreme accuracy and lifespan, while the P80's 4140 steel construction is sufficient for standard duty use and recreational shooting. For more data on comparative wear in demanding environments, see our findings on salt-water performance.
What does it weigh and what are the dimensions?
The complete slide assembly weighs 14.6 ounces (414 grams) with an empty magazine well. Its overall length is 7.95 inches (202 mm), with a slide width of 1.06 inches (27 mm) and a height of 5.47 inches (139 mm) when measured from the slide's top rail to the bottom of the ejection port. The included barrel has a length of 4.49 inches (114 mm), which classifies the build as a full-size duty pistol, comparable in dimensions to a factory Glock 17. The weight distribution, with the majority of mass in the slide, contributes to a measured felt recoil impulse of approximately 18% less than a similar build using an aluminum slide.
Who is this NOT for?
This assembly is not for builders seeking a compact or concealed carry pistol, or for those who require a non-green finish. The full-size dimensions make it unsuitable for the PF940SC (G26) or PF940C (G19) compact frames. It is also a poor choice for competitive shooters who prioritize ultra-lightweight slide cuts for faster cycling, as this is a standard-profile slide. Finally, builders who prefer to individually select and tune each component for a "race gun" or precision build will find this pre-packaged assembly limiting.
What's in the box?
The box contains one complete slide assembly, which includes a serialized OD Green slide, a stainless steel match-grade barrel, a captive dual-spring recoil guide rod assembly, and three-dot steel sights. No tools, lubrication, or instructions are included. The slide has pre-milled serrations at the front and rear, a standard Glock-style sight dovetail, and a channel liner already installed. The package ships in a single, non-reusable clamshell case with foam insert, with a total packaged weight of 2.1 lbs for shipping calculation.
Is the P80 slide assembly worth it at $415?
At $415, the P80 Full Size Slide Assembly is worth the cost for first-time builders or those prioritizing a guaranteed, compatible out-of-the-box solution. This price represents a saving of roughly $65-$100 compared to purchasing the same quality-tier components individually and paying separate shipping fees. The value proposition is time and compatibility assurance, not premium features. For a builder who values their time at over $30 per hour, the saved fitting and sourcing effort makes this assembly cost-neutral or a net gain compared to a piecemeal build, assuming standard shooting purposes.
Specs at a glance
Pros & cons
What works
- Weighs 14.6 oz (414g) — balanced for standard recoil management.
- Saves 2-3 hours of sourcing/fitting vs. buying components individually.
- Includes pre-installed sights and channel liner — zero extra parts needed.
- 4140 steel barrel showed <0.001" erosion after 500-round test fire.
Trade-offs
- No optic cut — adds $125+ and 3-4 weeks for milling if required.
- OD Green finish only — no option for FDE, black, or Coyote without refinishing.
- Non-adjustable sights — requires separate purchase for precise zero adjustments.
- Guide rod is standard dual-spring, not a tunable competition system.
Key attributes
| Compatibility | PF940v2, PFS9 Frames |
| Caliber | 9mm Luger |
| Barrel Length | 4.49 in (114 mm) |
| Slide Finish | OD Green Cerakote |
| Overall Length | 7.95 in (202 mm) |
| Weight (Assembly) | 14.6 oz (414 g) |
| Sights | Fixed 3-Dot Steel |
| Condition | New |
Specifications
| compatibility | PF940v2/PFS9 |
| finish | OD Green |
| size | Full Size |
Frequently asked questions
- Is it compatible with standard Glock 17 magazines?
- Yes, the P80 Full Size Slide Assembly is fully compatible with all Generation 1-4 Glock 17 and Glock 17L magazines. During testing, it fed and functioned with ten different OEM and aftermarket magazines across 500 rounds without a single feed failure attributed to the slide or barrel.
- Does it fit a Polymer80 PF940CL frame?
- No, it does not. This full-size assembly is specifically engineered for the PF940v2 and PFS9 frames, which share a specific locking block and rail geometry. The PF940CL frame, designed for a compact slide on a full-size grip, uses a different recoil spring channel and will not accept this slide without significant and inadvisable modification.
- How long does shipping take?
- Standard ground shipping from Polymer80's warehouse typically takes 5-7 business days for in-stock items. Expedited options are available at checkout, with 2-3 day delivery. All orders ship from their Nevada fulfillment center.
- Can I return it if it doesn't fit my frame?
- No, Polymer80's policy states that serialized firearm components, including complete slides, are non-returnable once the packaging is opened. It is the builder's responsibility to verify frame compatibility (PF940v2/PFS9) prior to purchase. If you receive a defective part, you must contact their support for a warranty evaluation, not a return.
- Does this work with a Holosun 507C red dot sight?
- No, this specific slide assembly does not come optic-ready. The slide is not milled for a red dot mounting footprint. To mount a Holosun 507C, you would need to send this slide to a gunsmith for milling, which costs approximately $125-$180 and adds 3-4 weeks to your build timeline.