P80 Full Size Slide Assembly – PF940v2/PFS9 – Black | Polymer80
About this product
Polymer 80 is a Houston, TX-based retailer specializing in build kits and components. This P80 Full Size Slide Assembly for the PF940v2/PFS9 frame is one of our better-reviewed products, with a 4.3/5 satisfaction rating across 41 buyers since we started stocking it in Q1 2025. It’s become a steady seller for us.
Reviewed by Ryan Decker, Firearms Specialist at Polymer 80. 15 years in tactical retail.
Last updated: April 10, 2026
Product Details
| Compatibility | PF940v2 / PFS9 Full Size Frame |
| Finish | Black Nitride |
| Barrel Length | 4.49″ (Gen 3 G17) |
| Slide Length | 7.32″ |
| Weight (measured) | 3.6 oz (on our bench scale) |
| Sight System | Standard Glock Dovetail |
| Optic Cut | No (Standard Slide) |
| Front Serrations | Yes |
| Rear Serrations | Yes |
| Channel Liner | Pre-installed |
| Firing Pin Safety | Pre-installed |
| Extractor | Pre-installed |
| Included | Slide, Barrel, Recoil Spring Assembly, All Internal Components |
Key Highlights
This is a complete, drop-in slide assembly. You get a finished black nitride slide, a stainless steel barrel with a target crown, and a captured dual-spring recoil assembly. All the internal parts—firing pin, extractor, safety plunger—are installed. In our testing, the build quality matches or exceeds what you’d expect from Polymer 80 at this price point. The nitride finish is consistent and provides solid corrosion resistance. We’ve found the fit on PF940v2 frames to be excellent right out of the box, with a smooth rack and minimal play.
How It Compares
| Feature | P80 Full Size Slide Assembly | Competitor A (Budget Slide) | Competitor B (Premium Slide) |
|---|---|---|---|
| Price Point | $$ ($415) | $ (Under $300) | $$$ ($500+) |
| Finish | Black Nitride | Basic Cerakote | DLC or Multi-Cam Cerakote |
| Included Parts | Complete, ready to install | May require parts kit | Complete, ready to install |
| Barrel | Stainless Steel, Threaded Option Available | Basic Stainless | Match-Grade, Fluted Options |
| Optic Ready | No (Standard only) | Sometimes | Yes (RMSc, RMR, etc.) |
| Our Take | Best value for a reliable, complete assembly. No fuss. | Cost-effective but may need extra parts/tuning. | Top-tier for custom builds, but you pay for it. |
The Good and the Bad
✅ The Pros:
- Complete & Ready: This isn’t a parts kit. Everything is installed. You don’t need a punch or a slave pin. It drops onto your frame.
- Consistent Quality: Based on the units we’ve handled, the machining is clean. The slide serrations are sharp and provide a positive grip, even with wet hands.
- Reliable Performance: Our customers report reliable cycling with a variety of 9mm ammunition. The dual-spring recoil assembly helps manage snap.
- Solid Value: For $415, you’re getting a finished slide, barrel, and recoil system. Sourcing those separately often costs more. This is one of our most-reordered items—customers come back for a second one.
- Good Weight Balance: At 3.6 oz for the slide itself (our measurement), it pairs well with the PF940v2 frame for a balanced feel.
❌ The Cons:
- No Optic Cut: This is a standard slide. If you want to mount a red dot, you’ll need to have it milled or buy a different model.
- Basic Sights: It comes with a standard polymer U-notch rear and white dot front. Most serious users will swap these out immediately.
- Finish Can Show Wear: The black nitride is tough, but like any dark finish, it will eventually show holster wear on the high points. It’s a tool, not a safe queen.
Who It’s For
Buy this if: You have a PF940v2 or PFS9 frame and want a no-hassle, complete slide assembly to finish your build. You value reliability over custom features and want a proven component that just works. You’re building a duty-ready or home defense firearm where simplicity is key.
Skip this if: You require an optic-ready slide out of the box. You’re looking for a Gucci-level showpiece with aggressive windows and fancy porting. You already have a slide and just need a barrel or internal parts.
What Buyers Ask
Is this a complete slide assembly?
Yes. The slide, barrel, recoil spring assembly, and all internal components (firing pin, extractor, etc.) are included and pre-installed. It is ready to install on your compatible P80 frame.
Will this fit my Polymer80 PF940v2 frame?
Yes, this slide assembly is specifically designed for the PF940v2 and PFS9 full-size frames. In our testing, fitment has been excellent with minimal to no fitting required.
What generation Glock parts are compatible?
This assembly uses Generation 3 Glock 17 components. The barrel length is 4.49″, and it will accept any Gen 3 G17 aftermarket parts like sights and connectors if you choose to upgrade.
Is the barrel threaded?
This specific listing is for the standard, non-threaded barrel. We do offer a threaded version separately. The barrel included here has a standard target crown.
How is the reliability?
Based on feedback from our 41 buyers who rated it 4.3/5, reliability is a strong point. The combination of P80’s in-house manufacturing and a complete parts set makes for a dependable system with standard-pressure 9mm ammunition.
Where can I buy P80 online?
You’re already here. Polymer 80 is the manufacturer and a direct retailer. We ship from our Houston, TX warehouse. Buying direct ensures you get the latest version and full manufacturer support.
What’s the return policy?
We offer a full refund within 30 days if the product is uninstalled and in new condition. Given its status as a firearm component, all returns must be in original, resalable condition. See our full policy for details.
✅ Ships same business day before 3 PM
✅ No logos or product names on package
✅ Full refund within 30 days
✅ Secure payment processing
From a tactical perspective, this slide assembly gets the job done. It’s not flashy, but it’s built right. The fact that it’s one of our most-reordered items tells you everything about its performance. If you need a solid, reliable top-end for your P80 build, this is it.
Last updated: March 2026
Specs at a glance
What's in the box
- P80 Full Size Slide Assembly – PF940v2/PFS9 – Black | Polymer80