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Q&A · Hunting

State regulations on using 3.5-inch shells for duck hunting — what to know?

April 5, 2026

Quick Answer

Some states permit the use of 3.5-inch shells for duck hunting, but most states restrict them, typically allowing only 3-inch shells, and some states allow 3.5-inch shells only for certain species or in specific hunting zones.

State Regulations on Shell Length

State regulations on shell length vary, but the majority of states follow the National Wild Turkey Federation guidelines, which restrict 3.5-inch shells to certain species and hunting zones. For example, in Michigan, 3.5-inch shells are allowed for Canada geese, but only in the northern and eastern zones. In contrast, in California, 3.5-inch shells are prohibited for all waterfowl hunting. It’s essential to familiarize yourself with the specific regulations in the state and zone where you plan to hunt.

3.5-inch Shells and Their Effects

When used in hunting, 3.5-inch shells can be more effective than 3-inch shells due to their increased payload and longer range. However, they can also be more likely to cause excessive damage to waterfowl, such as over-penetration and excessive bleeding. To minimize these effects, hunters should aim for the head or neck area, and only use 3.5-inch shells when necessary. Additionally, some states require hunters to use non-toxic ammunition, which can further mitigate the risks associated with 3.5-inch shells.

Techniques for Using 3.5-inch Shells Effectively

If you’re allowed to use 3.5-inch shells in your hunting area, it’s crucial to use them efficiently and ethically. To do so, consider using a shotgun with a choke that limits the spread, such as a tight choke. This will help you hit your target with more accuracy and reduce the likelihood of excessive damage. Additionally, practice your shooting skills and develop a solid understanding of your shotgun’s capabilities to ensure you can make clean kills with 3.5-inch shells.

3-inch-vs-3-5-inch state regulations using inch shells
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