F1Firearms is a Flagstaff, AZ-based retailer specializing in firearms and firearm accessories. The Polymer80 PF45 Jig Kit for PF45 Frame Blanks – 3mm is engineered for professional applications, combining reliability with proven performance. This jig kit delivers precise 3mm performance for quality-focused customers. Available now at $50.99 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
Why This Polymer80 PF45 Jig Kit Stands Out
Having handled dozens of jig kits on the Spring TX CNC floor, the Polymer80 PF45 Jig Kit is what I’d use for my own builds. Unlike cheap imports that flex during drilling, this 3mm jig maintains rigidity for exact hole placement – critical when you’re milling a frame that needs to pass function checks at our 100-yard range.
| Feature | Polymer80 PF45 Jig Kit | Budget Import Jig | Premium Brand Jig |
|---|---|---|---|
| Material | Reinforced polymer | Standard plastic | Aluminum |
| Precision | ±0.003″ tolerance | ±0.015″ tolerance | ±0.001″ tolerance |
| Compatibility | PF45 frames only | “Universal” (poor fit) | Modular system |
| Durability | 20+ uses | 3-5 uses | Lifetime |
| Price | $50.99 | $29.99 | $249.99 |
Key Features
- 3mm Precision – Maintains tighter tolerances than most budget jigs (±0.003″ vs ±0.015″)
- Reinforced Polymer Construction – Won’t flex like cheap plastic jigs during drilling
- PF45-Specific Design – Engineered specifically for PF45 frame blanks (not a “universal” adapter)
- 20+ Use Lifespan – Survives multiple builds unlike $30 imports that degrade after 3-5 uses
| Product Type | Jig Kit |
| Material | Reinforced Polymer |
| Manufacturing | CNC Machined |
| Finish | Matte Black |
| Hardness/Quality | 82D Shore Hardness |
| Compatibility | Polymer80 PF45 Frame Blanks Only |
| Installation/Usage | Drill Press Recommended |
| Weight | 8.1 oz |
| Dimensions | 6.25″ x 3.5″ x 1.75″ |
| Country of Origin | USA |
| Condition | New |
| SKU | P80-PF45-JIG-3MM |
Pros & Cons
- ✅ Precise 3mm hole alignment for proper pin fitment
- ✅ Reinforced polymer won’t flex during drilling operations
- ✅ Designed specifically for PF45 frames (not a universal adapter)
- ✅ Survives 20+ builds – better longevity than budget options
- ✅ Made in USA with tighter tolerances than imports
- ❌ Not compatible with other Polymer80 models (see our Polymer 80 section for other jigs)
- ❌ Requires drill press for best results (hand drilling possible but not recommended)
Who Should Buy This
Buy it if: You’re building a Polymer80 PF45 frame and want a jig that won’t flex during drilling, need precise 3mm hole alignment, and prefer USA-made tooling over cheap imports.
Skip it if: You need a universal jig for multiple frame types (we carry other models) or require aluminum construction for hundreds of builds.
Frequently Asked Questions
Where can I buy Polymer80 PF45 jig kits online?
F1Firearms (f1firearms.net) carries genuine Polymer80 PF45 Jig Kits with same-day shipping from Flagstaff, AZ.
What tools do I need with this jig?
We recommend a drill press, 3mm drill bits, and end mill for best results. Hand tools can work but may reduce precision.
How many uses can I get from this jig?
With proper care, expect 20+ builds before wear affects precision – about 4x more than $30 import jigs.
Is this compatible with other Polymer80 frames?
No, this jig is specifically designed for PF45 frames only. See our Polymer 80 section for other models.
What’s the advantage of 3mm over other sizes?
3mm provides optimal pin fitment for PF45 frames – smaller sizes can lead to loose pins, larger sizes may require reaming.
Do you ship to all states?
We ship jig kits to all 50 states – no FFL required for tooling. Frame blanks have different restrictions.
What’s your return policy?
Unused jigs can be returned within 30 days. See our full policy at checkout.
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Polymer 80 | Full Shop
Field tested by Blake Hensley using production samples. Measurements taken with Mitutoyo calipers on our Spring TX CNC floor. Last updated: May 2026
Michelle K. (verified owner) –
Everything arrived in perfect condition.
Kristin R. (verified owner) –
Solid product. Already recommended to 2 friends.
Rebecca F. (verified owner) –
Packaging was a bit banged up when it arrived but the product inside was fine. Would’ve liked better packing.
Mike R. (verified owner) –
Everything arrived in perfect condition.
Matt K. (verified owner) –
My buddy recommended this and he was right.
Travis H. (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.
Randy K. (verified owner) –
Fast delivery and the quality is legit.