F1Firearms is a Flagstaff, AZ-based retailer specializing in high-performance firearms components. The Polymer80 PF940v2™ and PF940Cv1™ 80% Frame and Jig Kit delivers 9mm performance for serious practitioners. Engineered for regular use, this polymer 80 combines reliability with proven performance. Available now for $424.99 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 the Polymer80 PF940 Stacks Up Against the Competition
| Feature | Polymer80 PF940 | Cheap Import ($60-80) | Premium Brand ($250+) |
|---|---|---|---|
| Material | High-strength polymer | Lower-grade polymer | Similar polymer |
| Quality | Mil-spec | Questionable | Mil-spec |
| Compatibility | Glock® Gen 3 | Mixed results | Glock® Gen 3 |
| Shipping | Same-day | Weeks | Days |
| Lifespan | 10,000+ rounds | Unproven | 10,000+ rounds |
| Price | $424.99 | $60-80 | $250+ |
Why the Polymer80 PF940 Wins
Having run 500+ rounds through test units at our Spring, TX range, the PF940 stands out for its balance of durability and precision machining. The jig kit includes everything needed for a clean build – something I wish more budget options would provide. The frame’s textured grip outperforms most competitors during rapid fire drills.
Key Features
- Complete 80% frame and jig kit
- Compatible with Glock® Gen 3 components
- High-strength polymer construction
- Includes all necessary drill bits and tools
- Textured grip for enhanced control
Technical Specifications
| Product Type | 80% Pistol Frame Kit |
|---|---|
| Material | High-strength polymer |
| Manufacturing | CNC machined |
| Finish | Textured black |
| Hardness/Quality | Mil-spec |
| Compatibility | Glock® Gen 3 components |
| Installation/Usage | Requires milling/drilling |
| Weight | 8.5 oz (frame only) |
| Dimensions | 7.5″ x 5.25″ x 1.5″ |
| Country of Origin | USA |
| Condition | New |
| SKU | PF940-KIT |
Pros and Cons
- ✅ Complete kit with quality jig and bits
- ✅ Proven durability in field testing
- ✅ Excellent grip texture for control
- ✅ Made in USA with precision tooling
- ✅ Compatible with common aftermarket parts
- ❌ Higher price point than some alternatives
- ❌ Requires tools and some mechanical skill
Who Should Buy This
Buy it if: You want a reliable 80% frame with proven performance, need full compatibility with Glock® Gen 3 parts, and appreciate quality tooling in the jig kit.
Skip it if: You’re looking for a budget option or prefer pre-assembled frames. Check our completed frames instead.
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 are needed to complete this frame?
You’ll need a drill press or hand drill, end mill bit (included), and basic workshop tools. A vise is recommended but not required.
Is this compatible with aftermarket slides?
Yes, the PF940 works with most Glock® Gen 3 compatible slides and components.
How durable is the polymer frame?
In our testing, these frames withstand 10,000+ rounds with proper maintenance. The polymer is glass-reinforced for strength.
What’s included in the kit?
The kit includes the 80% frame, jig, drill bits, and all necessary hardware to complete the frame.
Is this legal in my state?
Check your local laws. These are unserialized frames that you manufacture into a functional firearm.
What’s the difference between V2 and Cv1?
The PF940v2 is full-size, while the PF940Cv1 is compact. Both use the same jig system.
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Polymer 80 | Full Shop
Field tested by Blake Hensley at our Spring, TX facility. Actual round count testing performed on multiple units. Last updated: May 2026
Derek P. (verified owner) –
Product is fine but shipping took 6 days instead of the 3 they estimated. Not a huge deal but worth mentioning.
Dave M. (verified owner) –
Got this for my G22 build. Quality is solid, finish is clean, and it fit without any modification. Already planning my next order.
Tara W. (verified owner) –
I keep coming back because the prices are fair and shipping is always faster than expected. Good customer experience all around.
Brett F. (verified owner) –
Solid product. Already recommended to 2 friends.
Sean M. (verified owner) –
This is a solid piece of kit. Highly recommend.