Split Front Rail Locking Block System for Polymer80™ PF940C Compact Frame

Take your Polymer80™ build to the next level with the Split Front Rail Locking Block System, the latest innovation in P80 assembly technology. Building on the success of the original split rear rail system, this patent-pending design applies the same revolutionary engineering to the front rail locking block, making your PF940C compact frame build easier, more reliable, and more precise than ever before.

Precision machined from billet stainless steel, the split front rails eliminate weaknesses commonly found in MIM components and tighten tolerances for improved reliability and performance. By dividing the locking block into three separate components, this system isolates user-drilled hole installation to the locking block itself — significantly improving build success rates for both novice and experienced builders.

The result? Perfectly aligned front rails that drop into place and pin through the pre-formed holes on your PF940C, virtually eliminating the possibility of fitment or alignment issues during your build. When paired with the split rear rail system, we guarantee a seamless build experience — or your money back.

Key Features

• Effortless Installation: Simply drop in the components and hammer in your pins — no complicated fitting required.
• Precision Machined: CNC tolerances exceed those of traditional MIM or stamping processes for a perfect fit.
• Stainless Steel Construction: Machined from premium billet stainless steel for superior strength, durability, and longevity.
• Improved Build Success: Isolated locking block installation simplifies drilling and increases first-time success rates.
• Perfect Alignment: Front rails pin directly through pre-formed holes, eliminating common rail fitment issues.

Compatibility

Compatible with Polymer80™ PF940C (Compact) and Strike80 frames.

Details

This split front rail system represents a major advancement in P80 build reliability and ease of assembly. By replacing traditional MIM rails with precision-machined stainless steel components, this system delivers exceptional strength, consistency, and long-term durability. When used in combination with a split rear rail system, it provides a complete solution that dramatically simplifies the build process while enhancing firearm performance.

Patent Pending

Compliance Notice

This product is subject to state and local restrictions. It cannot be shipped to: Colorado, Connecticut, Hawaii, Illinois, Maryland, New Jersey, New York, Oregon, Rhode Island, Washington, Washington D.C., or the City of Philadelphia, PA. Always check and comply with all federal, state, and local laws before purchasing or installing firearm components.