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P80 PF940C Lower Parts Kit (LPK): Complete Build Solution
The P80 PF940C Lower Parts Kit provides all the essential components to assemble a functional Polymer80 Glock 19-compatible frame. Designed for builders who prioritize reliability, this LPK includes every small part needed to complete your PF940C lower receiver. No hunting for missing pins or springs—just drop-in installation and immediate compatibility with standard aftermarket triggers and slides. Whether you’re finishing a budget build or maintaining a backup, this kit eliminates guesswork.
Key Specifications
- Compatibility: Polymer80 PF940C (Glock 19 Gen 3 pattern)
- Included Components: Trigger mechanism, slide lock, magazine catch, pins, springs
- Finish: OEM-spec phosphate or nitride coating (varies by batch)
- Materials: Heat-treated steel, corrosion-resistant alloys
- Weight: Approximately 4.2 oz (complete kit)
Feature Breakdown
The LPK’s trigger mechanism uses a standard Glock-style design for consistent pull weight and reset. All springs are wound to OEM specifications to ensure proper slide cycling and magazine ejection. Unlike budget kits with MIM parts, critical components like the trigger bar and connector are machined from bar stock for long-term durability.
Installation is simplified with pre-sized pins that match the PF940C frame’s tolerances. The included locking block rail system maintains alignment during assembly, reducing the need for fitting adjustments. Builders will appreciate the inclusion of both trigger housing and ejector housing—common pain points in aftermarket kits.
For maintenance-focused buyers, the LPK serves as an economical spare parts reservoir. The magazine release and slide stop lever are interchangeable with most Gen 3 Glock 19 models, making this kit useful for repairs beyond Polymer80 builds. Each component is individually bagged and labeled to prevent confusion during assembly.
Quality control checks verify dimensional accuracy before packaging. While not a serialized part, this LPK is intended for legal builds in compliant jurisdictions. All springs are pre-tested to eliminate coil bind or stacking issues common in low-cost alternatives.
Compatibility Notes
This kit is specifically designed for the PF940C frame, which follows the Glock 19 Gen 3 footprint. It will not function with Gen 4/5 models or compact/subcompact variants like the PF940SC. The included trigger housing works with most forced-reset triggers (FRTs) but may require minor fitting depending on manufacturer tolerances.
Installation Overview
Assembling the PF940C frame with this LPK requires basic gunsmithing tools: a punch set, nylon hammer, and roll pin starter. The process follows standard Glock lower assembly procedures—install the trigger mechanism first, followed by the slide release and magazine catch. No permanent modifications are needed. Builders should function-test the safety plunger and trigger reset before attaching the slide.
Frequently Asked Questions
Q: Does this include a trigger shoe?
A: No. The kit provides the trigger bar and related internals, but most builders pair it with an aftermarket flat-faced or curved trigger.
Q: Are the pins tapered like OEM Glock?
A: Yes. The forward and rear rail pins match Gen 3 Glock’s tapered design for secure frame retention.
Q: Will this work with a Glock 19 OEM upper?
A: Yes, assuming your PF940C frame is properly milled. The LPK’s ejector and slide lock are compatible with factory slides.
Q: Is the magazine catch reversible for left-handed use?
A: Yes. The catch can be installed in either orientation without modification.
Q: Are any parts serialized or regulated?
A: No. The LPK contains no controlled components under federal law (check local regulations).
Warranty & Shipping
All parts are covered by a limited lifetime warranty against manufacturing defects. Shipping is discreet and compliant with all federal carriers’ policies. Contiguous U.S. orders typically ship within 2 business days. International sales are not available.
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