Product DescriptionThe Real Avid AVAR10LLVB Lug-Lok Upper Vise Block is engineered to secure AR-10 upper receivers by engaging the barrel extension lugs inside the star chamber-eliminating the risk of receiver damage common with clamp-style blocks. Precision machined for MIL-SPEC AR-10 uppers, it allows you to rotate the upper for access to different sides, then locks firmly in place for hightorque tasks. Built from natural aluminum with durable stainless steel pins, the Lug-Lok includes two vise pins for multiple working angles and a lock knob that keeps the tool positively seated in the barrel lugs.Product Highlights Direct barrel lug engagement protects the upper receiver from crush and deformation Precision-machined fit for MIL-SPEC AR-10 upper receivers Two vise pins enable secure positioning at multiple user-selected angles Lock knob keeps the Lug-Lok firmly seated during high-torque applications Durable natural aluminum construction with stainless steel pins Specs Product Type: Upper Vise Block Model: Lug-Lok Compatibility: AR-10 MIL-SPEC upper receivers Material: Natural aluminum with stainless steel pins Color/Finish: Natural Included Components: 2 vise pins; lock knob Weight: 1.77 lb UPC: 813119013218 Manufacturer Part Number: AVAR10LLVB Brand Name: Real Avid/Revo Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.