Fab Defense UPR 16/4 Picatinny Under Rail for AR-15
Universal Picatinny rail system for AR-15/M4/M16 handguards. Reinforced polymer construction compensates handguard angle for parallel barrel positioning. MIL-STD 1913 compatible.
Fits: AR-15
Enhanced Accessory Mounting for Your AR Platform
The Fab Defense UPR 16/4 Universal Picatinny Rail is a purpose-built solution for shooters who demand flexibility in tactical light and laser placement on their AR-platform rifles.
Key Features
- Angle Compensation Design: Automatically compensates for your handguard's angle to ensure accessories mount parallel to the barrel—critical for proper sight alignment and tactical light positioning
- MIL-STD 1913 Compliant: Full compatibility with any Picatinny-standard accessory, from tactical lights to laser modules
- Durable Construction: Reinforced polymer composite withstands field use while keeping weight minimal
- Universal Compatibility: Works with all M16, M4, and AR-15 handguard profiles
Why This Matters
Handguard angles vary across different AR configurations. This rail bridges that gap, allowing you to mount your accessories exactly where you need them without compromise. Whether you're running a modern free-float tube or a traditional quad-rail, the UPR 16/4 delivers consistent, reliable mounting.
A straightforward upgrade that solves a real problem on the modern tactical rifle.
