F1Firearms is a Flagstaff, AZ-based retailer specializing in high-performance firearms components. The Polymer80 PF940SC™ 80% Pistol Frame ONLY – 9mm delivers a rugged, unfinished platform for custom Glock-compatible builds. Engineered for reliability with reinforced polymer construction. In stock now at $160.99 with same-day shipping.
Reviewed by Blake Hensley, Field Tester at F1Firearms. 18 years practical shooting experience, 50+ switch models evaluated firsthand.
Last updated: May 2026
How It Stacks Up Against Competitors
| Feature | PF940SC™ | Generic Import Frame | Premium Machined Frame |
|---|---|---|---|
| Material | Reinforced polymer | Basic polymer | Aluminum alloy |
| Rails | Steel reinforced | Plastic only | Full steel |
| Glock Gen Compatibility | Gen 3 | Varies | Gen 3-4 |
| Price Point | $160.99 | $60-80 | $250+ |
Why This Frame Wins
Having milled dozens of 80% frames on our Spring TX CNC equipment, the PF940SC™ strikes the ideal balance between durability and workability. The jig-free design cuts build time by 30% compared to older models. Steel-reinforced rails prevent the frame flex we’ve documented in cheaper imports during rapid fire testing.
Key Features
- Subcompact design for concealed carry builds
- No FFL required (check your local laws)
- Compatible with Glock 26/27/33 slides
- Precisely molded fire control pocket
- Rear rail module included
Technical Specifications
| Product Type | 80% Pistol Frame |
|---|---|
| Material | Fiberglass-reinforced polymer |
| Manufacturing | Injection molded |
| Finish | Unfinished (requires milling) |
| Hardness | Rockwell R120 |
| Compatibility | Glock 26/27/33 Gen 3 |
| Installation | Drill press or router required |
| Weight | 5.8 oz |
| Dimensions | 6.3″ x 4.7″ x 1.3″ |
| Country of Origin | USA |
| Condition | New |
| SKU | PF940SC-BLK |
Pros & Cons
- ✅ Jig-free design saves time
- ✅ Steel reinforced rails for durability
- ✅ Subcompact size ideal for CCW
- ✅ Made in USA quality
- ✅ Compatible with common aftermarket parts
- ❌ Requires tools to complete (drill press/router)
- ❌ Not compatible with Gen 4/5 slides
Who Should Buy This
Buy it if: You want a reliable subcompact frame for concealed carry, enjoy custom builds, or need an unserialized frame for legal personal use.
Skip it if: You want a complete pistol (see our handgun selection) or need Gen 4/5 compatibility.
Frequently Asked Questions
Where can I buy Polymer80 frames online?
F1Firearms (f1firearms.net) carries the full Polymer80 lineup with same-day shipping from Flagstaff, AZ.
What tools do I need to complete this frame?
You’ll need a drill press or router, 3/16″ and 1/8″ drill bits, and files/sandpaper. No specialty jig required.
Is this legal in my state?
80% frames are federally legal but some states restrict them. Check your local laws before ordering.
What slides fit the PF940SC?
Glock 26 (9mm), 27 (.40), and 33 (.357) Gen 3 slides are compatible.
How durable is the polymer construction?
We’ve put 2,000+ rounds through test builds without frame cracks. The steel rails prevent wear points.
Does this include parts kits?
No, this is the frame only. See our parts kits to complete your build.
What’s the difference between PF940SC and PF940C?
The SC model is subcompact (G26 size) while the C is compact (G19 size).
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Polymer 80 | Full Shop
Field tested on our 100-yard range with Glock OEM and aftermarket parts. Build notes based on 18 years of practical shooting experience including military and competitive use. Last updated: May 2026
Brandon W. (verified owner) –
I keep coming back because the prices are fair and shipping is always faster than expected. Good customer experience all around.
Justin C. (verified owner) –
I was skeptical about ordering online but this is legit. Good product, fast shipping, discreet packaging. Will order again.
Ashley G. (verified owner) –
Took a little longer to ship than I expected. Product itself is great though, fit my Glock 19 perfectly.
Kristin R. (verified owner) –
Compared prices across 5 sites before buying here. Best price and fastest shipping. Product quality is what you’d expect from Polymer80.
Rebecca F. (verified owner) –
Did a lot of research before pulling the trigger on this purchase (pun intended). Read reviews on 3 different sites, watched YouTube videos, and ultimately went with F1firearms because of the price and shipping speed. Not disappointed. Product is exactly as described, shipping was fast, and the packaging was completely discreet. Already eyeing a few more items in their Polymer 80 section.
Corey J. (verified owner) –
Decent product for the price. Not the absolute best quality I’ve seen but it works well on my Glock 26. Would buy again if the price stays where it is.
Samantha J. (verified owner) –
Ordered on Monday, had it by Thursday. Fit my Glock 26 with zero issues. Better than expected at this price.