Byrna is a CO2-powered launcher that fires .68 calibre projectiles designed for personal protection. It offers a non-lethal alternative to traditional firearms, with various forms of projectiles available, including pepper, kinetic, and chemical irritant rounds. With a lightweight and ergonomic design and a built-in laser sight, Byrna is easy to use and accurately target potential threats. Byrna is subject to fewer regulations than traditional firearms, making it more accessible for personal protection. Its safety features include a CO2 propulsion system and a manual safety mechanism to prevent unintentional discharges. With the ability to fire projectiles up to 60 feet away and provide a tailored approach to self-defence, Byrna is a versatile and effective means of personal protection. Overall, Byrna's ease of use, legal accessibility, safety features, and effectiveness make it a strong contender for the title of the ultimate self-defence weapon.