Product DescriptionThe ProMag PM245 Lower Receiver Vise Block is a heavy-duty armorer&&';;s tool engineered for AR-10 and .308 caliber AR-type rifles. It clamps securely into the magazine well of the lower receiver to prevent damage or movement during repair, assembly, and cleaning. Constructed from impact-resistant glass-filled nylon polymer, the double-sided design fits ArmaLite, DPMS, Remington R-25, SR-25 and many similar AR platforms. Made in the USA.Product Highlights Magwell-mounted vise block keeps AR-10/.308 lowers steady during gunsmithing Impact-resistant glass-filled nylon polymer construction for durability Double-sided design compatible with ArmaLite, DPMS, Remington R-25, SR-25 and more Ideal for repair, assembly, cleaning, and general maintenance Made in the USA Specs Product Type: Lower Receiver Vise Block (AR-10/.308 AR) Material: Impact-resistant glass-filled nylon polymer Color: Black Compatibility: ArmaLite AR-10, DPMS LR-308, Remington R-25, SR-25 and similar variants Weight: 0.605 lb (approx.) Country of Manufacture: USA UPC: 708279010187 Manufacturer Part Number: PM245 Brand: ProMag 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.