FAB Defense Polymer AR-15/M4 Picatinny 3 Rail Handguard Gun Grip Black. These AR Handguards & Forends from FAB Defense equip your M4 / AR15 with the perfect combination of free handguard gripping space and three Picatinny rails for multiple mounting options. Crafted from a lightweight reinforced polymer the FAB Defense Tri-Rail Handguard System won't weigh you down. The FAB Defense AR15 Polymer Handguard Gun Grip gives you free Handguard gripping for optimal comfort. Specifications for FAB Defense Polymer AR-15 3 Rail Picatinny Handguard Gun Grip: Manufacturer: FAB Defense Fabric/Material: Polymer Gun Make: AR Platform Gun Model: M4 AR-15 Gun Type: Rifle Gun Rail: Picatinny Weight: 0.333 lb 151 g Condition: New Additional Features: 3 Rails Included Accessories: Standard Height: 2.8 in 71 mm Length: 5.47 in 139 mm Quantity: 1 Width: 1.73 in 44 mm FAB Defense 3 Rail Handguard Gun Grip 1S0-G6-AR15GD Enables three Picatinny rails for multiple mounting options Designed to allow free Handguard gripping for optimal comfort Extremely durable and lightweight reinforced polymer construction Quick & easy installation no gunsmith required Provides improved thermal isolation and heat dissipation Package Contents: FAB Defense Polymer AR-15 3 Rail Picatinny Handguard Gun Grip FAB Defense fx-fgr3: AR-15 Polymer 3 Rail Handguard Gun Grip Black FX-FGR3