Fab Defense M4 Picatinny Under Rail for AR-15/M4/M16 Handguards Black

Our UPR 16/4 Universal Picatinny Rail provides enhanced position versatility for your Tactical Lights and lasers and any other Picatinny compatible accessory.

Features:

• Compensates the Handguard's Angle To Allow Desired Parallel To Barrel Positioning
• Provides Quality Upgrade and Mounting Options
• MIL-STD 1913
• Manufactured with Durable Reinforced Polymer Composite

Compatibility:

• All M16/M4/AR15 Handguards