True North Concepts Picrail Gripstop Black. However adding the True North Concepts Picrail Gripstop will vastly improve your accuracy and performance without adding significant weight to your weapon. Specifically designed for ARs and modern sporting rifles these Gun Accessories by True North Concepts are easy to install and works with a flat-tip screw that allows you to easily mount the device with a screwdriver. For added protection the True North Concepts Picrail Tactical Gripstop is crafted from 6061 aluminum with a Milspec Type 3 hardcoat anodized finish that resists corrosion and abrasion. Corrosion-resistant black nitride hardware ensures all your hardware is built to last and all your rounds will land where you intended them to be. Equip the True North Concepts Picrail Rugged Gripstop for a lightweight Picrail attachment that you can trust in the field. Specifications for True North Concepts Picatinny Rail Gripstop: Manufacturer: True North Concepts Fabric/Material: Rugged 6061 T-6 Aluminum Condition: New Mount Type: Picatinny Attachment Type: Picatinny Features of True North Concepts Picatinny Rail Gripstop: Lightweight (1.7 ounces) Milspec anodized Corrosion resistant Black Nitride hardware Flat-tip screw head for mounting with a common screwdriver or multitool no more hunting for an Allen wrench at the Armory Package Contents: True North Concepts Picatinny Rail Gripstop True North Concepts GSPA-01: Picrail Gripstop Black