FAB Defense FXUPRB Picatinny Rail Ar-15 M4 M16 Handguards Matte

The FAB Defense FXUPRB Standard Picatinny Rail for AR-15/M4/M16 Handguards in Matte Black delivers a lightweight, durable polymer solution for expanding your rifle's accessory capability. Designed to fit standard AR-15/M4/M16 handguards, this UPR model provides a robust, versatile mounting platform that accepts precision optics, lights, lasers, grips, and other compatible accessories with reliable, repeatable alignment. The polymer construction offers a resilient, weather-resistant option that keeps weight down without sacrificing strength, making it ideal for extended field use or range sessions where dependable performance matters. Finished in a non-reflective Black to blend with most configurations, the rail integrates smoothly with existing rails and rails-compatible attachments, enabling quick, secure additions or swaps without tools in many cases. Its standard Picatinny compatibility ensures broad compatibility across a wide range of devices, while the slim profile maintains a sleek, unobtrusive profile on your handguard. Whether you're outfitting a duty rifle, a competition rig, or a hunting carbine, this rail supports modular upgrades and facilitates rapid accessory deployment for improved targeting, illumination, and control.