High Velocity Gunworks is a locally focused shooting sports retailer serving Napa, California, through its store and online catalog. The shop combines its own on-hand inventory with products available through the Sports South and RSR distributor catalogs, allowing customers to search online, order items into the store, and arrange local pickup. Firearms and ammunition are completed at the counter in accordance with applicable requirements.

Its selection includes new and used handguns, rifles, shotguns, firearm receivers, and ammunition, alongside optics such as scopes, red dots, thermal equipment, and range finders. Customers can also find magazines, slings, lights, eye and ear protection, bags, knives, safes, and other everyday-carry gear. The catalog features firearm parts and tools for platforms including AR-15, AR-10, Ruger 10/22, Glock, and SIG P365, as well as muzzle devices and shotgun components. Reloading equipment and supplies, including presses, brass, and bullets, are also available. High Velocity Gunworks provides information and assistance for firearm transfers and private-party transfers, and offers appointment booking, customer support, and shop updates through its newsletter and social channels.