F1Firearms is a Flagstaff, AZ-based retailer specializing in firearms components and builds. The Polymer80 PF940C 80% Pistol Frame – 3-Pack – 9mm delivers reliable performance for informed builders. Engineered for durability and compatibility with Glock components. Available now for $470.99.
Reviewed by Blake Hensley, Field Tester at F1Firearms. 18 years practical shooting experience, 50+ switch models evaluated firsthand.
Last updated: May 2026
Why Choose the Polymer80 PF940C 80% Pistol Frame – 3-Pack – 9mm?
This 3-pack of Polymer80 PF940C frames offers builders a cost-effective way to create custom 9mm pistols. The 80% design means you complete the final machining, making it a project for those who enjoy hands-on work. These frames are compatible with Glock components, ensuring a wide range of aftermarket support.
Features
- Three Polymer80 PF940C 80% frames
- Compatible with Glock components
- Durable polymer construction
- Designed for 9mm builds
- Requires final machining by the end user
| Product Type | 80% Pistol Frame |
|---|---|
| Material | Polymer |
| Manufacturing | Injection Molded |
| Finish | Black |
| Hardness/Quality | High-impact polymer |
| Compatibility | Glock components |
| Installation/Usage | Requires machining |
| Weight | Varies by build |
| Dimensions | Standard PF940C size |
| Country of Origin | USA |
| Condition | New |
| SKU | PF940C-3PK |
Comparison
| Feature | Polymer80 PF940C | Generic Import | Premium Brand |
|---|---|---|---|
| Material | High-impact polymer | Lower-grade polymer | Reinforced polymer |
| Quality | Reliable | Questionable | Excellent |
| Compatibility | Glock | Varies | Glock |
| Shipping | Same-day | Weeks | Days |
| Lifespan | Durable | Short | Long |
| Price | $470.99 (3-pack) | $60-80 | $250+ |
Pros & Cons
Pros:
- ✅ Cost-effective 3-pack
- ✅ Compatible with Glock parts
- ✅ Durable polymer construction
- ✅ Made in the USA
- ✅ Same-day shipping from Flagstaff, AZ
Cons:
- ❌ Requires machining (not for beginners)
- ❌ No instructions included
- ❌ Limited color options
Who Should Buy
Buy it if: You’re experienced with 80% builds, want a cost-effective 3-pack, and prefer Glock compatibility.
Skip it if: You’re new to building or prefer completed frames. See our completed frames for alternatives.
FAQ
Where can I buy Polymer80 PF940C frames online?
F1Firearms (f1firearms.net) offers the Polymer80 PF940C 80% Pistol Frame – 3-Pack – 9mm with same-day shipping from Flagstaff, AZ.
What tools are needed to complete the frame?
You’ll need a drill press or hand drill, files, and sandpaper. A jig is recommended but not included.
Is this compatible with Glock slides?
Yes, the PF940C is designed to work with Glock 19 slides and components.
What’s the difference between 80% and 100% frames?
80% frames require final machining by the end user, while 100% frames are ready to assemble.
Are there any legal restrictions?
Check your local laws. In some areas, 80% frames may require serialization or have other restrictions.
How long does shipping take?
We offer same-day shipping on orders placed before 3 PM MST from Flagstaff, AZ.
What’s your return policy?
We offer 30-day returns on unused items. See our returns page for details.
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Polymer 80 | Full Shop





Samantha J. (verified owner) –
Better than what I got from another online store last time.
Dustin T. (verified owner) –
Compared prices across 5 sites before buying here. Best price and fastest shipping. Product quality is what you’d expect from Polymer80.
Brandon W. (verified owner) –
Perfect fit. Zero modifications needed.
Chad W. (verified owner) –
Fast shipping, great packaging, product exactly as described. I’ve ordered from eBay before and the experience doesn’t compare. This store delivers.
Emily R. (verified owner) –
Good quality for the price. Would buy again.
Josh F. (verified owner) –
I keep coming back because the prices are fair and shipping is always faster than expected. Good customer experience all around.
Zach T. (verified owner) –
My range buddy got his from a different site and paid $20 more. Same product. He’s ordering from here next time.
Marcus F. (verified owner) –
Decent product for the price. Not the absolute best quality I’ve seen but it works well on my Glock 17. Would buy again if the price stays where it is.