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Message: <blockquote data-quote="Lycanthrope" data-source="post: 479309" data-attributes="member: 562">In war scenarios involving suicide drones, such as FPV (first-person view) kamikaze drones seen in conflicts like Ukraine, shotguns have been used as a low-tech, last-line defense at close ranges (typically under 50 meters) due to their spread pattern increasing hit probability on fast-moving, small targets. The most effective shotgun shot size balances pellet density (for better chance of hitting fragile components like propellers or electronics) with sufficient kinetic energy to cause damage, while considering recoil for follow-up shots.Based on testing and field reports:<ul> <li data-xf-list-type="ul">#6 shot (pellet diameter around 2.75mm) emerges as a top recommendation, particularly in tungsten loads. Swedish manufacturer Norma's specialized anti-drone cartridge (AD-LER) selected #6 after extensive trials, finding it optimal for dispersion and impact against FPV drones. Ukrainian experience also supports #1 to #6 sizes in tungsten for dense, lethal shot clouds that can disable drones with 1-3 hits. </li> <li data-xf-list-type="ul">#4 birdshot or buckshot is another strong contender for slightly better energy at ranges up to 25-30 yards, with tests showing it effective at shredding propellers and surfaces. #4 buck offers more penetration but a sparser pattern, making it riskier against agile targets.</li> <li data-xf-list-type="ul">Smaller sizes like #7-9 work for very close ranges (~30 yards) with denser patterns but lose energy quickly. Larger like #2 or #1 carry farther (up to 135 yards in some tests) but reduce hit density. Tungsten or non-lead alternatives (e.g., bismuth, steel) outperform lead for penetration and range retention, especially in magnum shells (3-inch or longer) to maximize payload, though they increase recoil.</li> </ul> A 12-gauge semi-auto with a modified choke for tighter patterns enhances effectiveness. However, shotguns are limited to short ranges and require skill; they're not foolproof against swarms or high-altitude threats.</blockquote>

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