Presma UVB AR-15 Polymer Upper Receiver Vise Block provides superior stability and ease of use while working on your firearm. Designed for DIY enthusiasts and professionals, this vise block supports a range of AR-15 upper receivers, ensuring precise maintenance and customization. Constructed from durable materials, the Presma UVB maintains your upper receiver's integrity, preventing damage during assembly or disassembly. Its ergonomic design enhances grip while securing your firearm, making it an essential tool for any gunsmith. Compatible with most AR-15 upper receivers High-strength polymers for durability Ergonomic grip for secure handling Compact design for easy storage and transport Achieve precise results with the Presma AR-15 Upper Vise Block, a must-have for your toolkit.