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P80 Frame Jig Only – PF940C: Precision Tooling for Custom Builds
The PF940C frame jig is a dedicated tool for builders who demand accuracy when machining their Polymer80 Glock-style frames. Designed specifically for the PF940C (Compact) model, this jig ensures clean drilling and routing for reliable frame completion. No unnecessary extras—just the hardened steel template required to transform an 80% frame into a functional foundation. Ideal for those who prefer hands-on control over their build process.
Key Specifications
- Compatibility: Polymer80 PF940C (Glock 19/23/32 size) frames only
- Material: Hardened steel construction for long-term durability
- Included: Jig body, top rail template, and pin hole drilling guides
- Required Tools: Drill press or hand drill, router with 1/4″ bit, clamps (not included)
- Finish: Non-reflective matte surface to reduce glare during work
Feature Breakdown
Precision Alignment
The jig’s hardened steel construction prevents flex during drilling or routing, ensuring pin holes and rail channels are machined to exact specifications. Tight tolerances match OEM Glock dimensions, critical for reliable slide fit and trigger function. Unlike plastic jigs, steel won’t degrade over multiple uses, making it reusable for future builds.
Simplified Workflow
Clear drill guide markings eliminate guesswork for pin placements, while the top rail template maintains consistent depth during routing. The jig’s weight provides stability when clamped, reducing vibration that can cause tool slippage. Designed for builders who prioritize efficiency—no complex adjustments needed between steps.
Durability
Heat-treated steel resists wear from router bits and drill contact, unlike aluminum or composite alternatives. The matte finish reduces light reflection for better visibility during detailed work. Built to withstand workshop conditions, including incidental contact with cutting fluids or solvents.
Minimalist Design
Includes only what’s necessary: no extraneous parts or gimmicks that complicate the process. Compact footprint stores easily with other gunsmithing tools. For builders who already own drill bits and routers, this jig avoids redundant inclusions found in “starter kits.”
Compatibility Notes
This jig is engineered exclusively for Polymer80’s PF940C frames, which accept Gen 3 Glock 19/23/32 slides and parts. It will not function with full-size (PF940v2), subcompact (PF940SC), or other manufacturers’ frames. Verify your frame model before purchase—using an incorrect jig risks misaligned holes or unsafe operation.
Installation Overview
Secure the jig and frame in a vise or clamp system before drilling pin holes using a 3mm bit (step-by-step instructions included with Polymer80 frames). Route the recoil spring channel using the top template as a depth guide. Expect 60-90 minutes for a first-time build; experienced users often complete machining in under 45 minutes. Always deburr holes and test-fit components before final assembly.
Frequently Asked Questions
Can this jig be used with other frame brands?
No. The PF940C jig’s dimensions are specific to Polymer80’s design. Attempting to modify or force-fit other frames may result in improper alignment.
Is a drill press mandatory?
While a press ensures perpendicular holes, a steady hand drill with a guide block can achieve acceptable results. Router work requires greater stability—freehand routing isn’t recommended.
How many builds can one jig handle?
With proper care, the steel jig should last indefinitely. Avoid excessive force when clamping or drilling to prevent rare edge deformation.
Does the jig include legal documentation?
No. Builders are responsible for complying with local regulations regarding 80% frame completion and firearm registration where applicable.
Why choose this over a full kit?
Builders who already own tools or prefer specific drill bits/routers avoid paying for redundant components. The jig-only option reduces clutter and cost.
Warranty & Shipping
The jig carries a limited lifetime warranty against manufacturing defects (excludes damage from misuse). Ships in protective packaging to prevent transit scratches. Processing time is typically 1-2 business days before carrier pickup. Contact support for issues with missing components or out-of-spec tooling upon receipt.
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