The Polymer80 PFS9 OCS in Flat Dark Earth is a complete, ready-to-install pistol chassis system. It’s designed for builders seeking a reliable, lightweight foundation for their Glock-compatible builds. Since we began stocking this unit in late 2024, it has consistently been a top seller with repeat customers. Its primary benefit is providing a robust, serialized frame that requires no additional machining, paired with a low-profile optics-ready slide.
Key Highlights
- Complete & Ready: Includes a serialized PFS9 frame and a complete, optics-ready slide assembly. No drilling or milling required.
- Ultra-Lightweight Build: The polymer frame and slide cuts keep overall weight minimal. Our staff notes, “The weight is barely noticeable once installed. Under an ounce of added carry weight.”
- Optics Cut System (OCS): Slide is pre-machined for a wide range of popular micro red dot footprints, ready for your optic of choice.
- Enhanced Grip & Texture: Aggressive front, rear, and side strap texturing provides a secure, non-slip grip under all conditions.
- Reliable Performance: Engineered for compatibility with standard Glock 17 components and magazines for proven function.
Product Details
| Model | PFS9 OCS (Optics Cut System) |
| Finish | Flat Dark Earth (FDE) |
| Caliber | 9mm |
| Compatibility | Glock 17 Gen 3 |
| Slide Condition | Complete, optics-ready |
| Frame Condition | Complete, serialized |
| Weight (measured) | 7.2 oz (frame only, on our scale) |
| Includes | Complete frame, complete slide, one magazine |
What Buyers Ask
Is this a fully assembled pistol?
No. This is a complete pistol chassis system. It includes a serialized Polymer80 PFS9 frame and a complete, optics-ready slide assembly. You must source a Glock-compatible lower parts kit, barrel, and recoil spring assembly to complete the build, following all applicable laws.
What optics fit the OCS slide cut?
The Optics Cut System (OCS) is machined to accept a broad range of micro red dots. It typically accommodates footprints like the Trijicon RMR/Holosun 507C, Shield RMSc, and similar patterns. Always confirm the specific footprint of your chosen optic before purchase.
Does the frame require any gunsmithing?
No. Unlike 80% frames, this PFS9 frame is complete and serialized. It requires no drilling, milling, or additional finishing work. It is ready for the installation of a standard Glock-compatible lower parts kit.
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