Troy Cqb Vertical Grip - Aluminum - Black. The Troy CQB Vertical Grip - Aluminum can withstand harsh environments and rapidly changing mission conditions. This Troy Aluminum CQB Vertical Grip does not heat up with rapid fire or full auto fire as other aluminum grips tend to and is compatible with any MIL-SPEC M1913 Picatinny rail system. Specifications for Troy Aluminum CQB Vertical Grip: Manufacturer: Troy Color: Black Gun Model: AR-15 Material: Stainless Steel Fabric/Material: Hardened Aircraft Aluminum w/ Stainless Steel components and MIL-SPEC Hardcoat Anodizing Finish Country of Origin: USA Features of Troy CQB Vertical Grip - Aluminum: Compatible with any MIL-SPEC M1913 Picatinny rail system Patent Pending Made in specialized factories Package Contents: Troy Aluminum CQB Vertical Grip Troy SGRI-VRT-A0BT-00: Cqb Vertical Grip - Aluminum - Black